为什么葡萄柚会影响某些药物？
Why can grapefruit affect some medicines?
葡萄柚中的成分会抑制肠道和肝脏的CYP3A4酶，使部分药物（如某些他汀、降压药）在血中浓度异常升高。说明书提示“避免柚类”时就别吃。
Grapefruit blocks the CYP3A4 enzyme in gut and liver, raising blood levels of some drugs (certain statins, blood-pressure meds). If the label says avoid grapefruit, don't eat it.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#葡萄柚 #相互作用
靶向药和化疗的作用方式有什么本质区别？
What is the essential difference between targeted therapy and chemotherapy?
化疗药作用于所有分裂活跃的细胞，正常增殖组织（如毛囊、骨髓、肠黏膜）也难免受伤，所以有脱发、骨髓抑制和恶心等副作用。靶向药则针对癌细胞特有的分子异常，如特异的突变蛋白或受体——伊马替尼抑制BCR-ABL融合蛋白治疗慢性髓性白血病就是经典例子。因此靶向药选择性更强、毒性更小，但患者需要先做基因检测确认存在相应靶点。
Chemotherapy attacks all rapidly dividing cells, so healthy tissues that divide often — hair follicles, bone marrow, and gut lining — suffer collateral damage, causing hair loss, marrow suppression, and nausea. Targeted drugs instead block cancer-specific molecular abnormalities such as mutant proteins or receptors; imatinib, which inhibits the BCR-ABL fusion protein in chronic myeloid leukemia, is a classic example. Targeted drugs are therefore more selective and less toxic, but patients must first be tested to confirm the matching target.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#靶向治疗 #酪氨酸激酶抑制剂 #化疗副作用
什么是安慰剂效应？
What is the placebo effect?
安慰剂效应是指人因相信"治疗"有效而出现的真实症状改善，即使所用的是无药效的假药（安慰剂），说明心理期望能影响身体。
The placebo effect is real symptom improvement from believing a treatment works, even with an inactive fake pill, showing that expectation can affect the body.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#安慰剂 #心理
口服药吃下去后在体内经历了什么？
What happens to an oral drug after you swallow it?
药物在体内的旅程可概括为ADME：吸收、分布、代谢、排泄。经肠道吸收的药物先通过门静脉进入肝脏，被CYP450酶系部分转化，首次通过就被代谢掉一部分，这叫"首过效应"。吸收后药物随血液循环分布到组织并到达靶点，血浆浓度随时间按"半衰期"衰减，半衰期决定了给药间隔。
A drug's journey is often summarized as ADME: absorption, distribution, metabolism, and excretion. Drugs absorbed from the gut first pass through the portal vein into the liver, where CYP450 enzymes transform a portion before it even reaches circulation — the first-pass effect. After absorption the drug distributes through the bloodstream to tissues and its target, and plasma levels then decay according to the drug's half-life, which determines the dosing interval.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#药代动力学 #CYP450 #半衰期
什么是药物的半衰期？
What is a drug's half-life?
药物半衰期是指体内药物浓度下降一半所需的时间，它决定服药间隔和起效、停药的速度。
A drug's half-life is the time for its concentration in the body to fall by half, determining dosing intervals and how fast it acts or clears.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#半衰期 #代谢
药物在肝脏中是如何被代谢的？
How are drugs metabolized in the liver?
肝脏中的酶（尤其是细胞色素P450家族）会把药物化学修饰，使其更易溶于水以便经尿液或胆汁排出。这一过程的快慢因人而异，影响药效和毒性。
Enzymes in the liver, especially the cytochrome P450 family, chemically modify drugs so they become more water-soluble and can be excreted in urine or bile. The speed of this process varies between people, affecting efficacy and toxicity.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#代谢 #肝脏 #药理
mRNA疫苗是怎么"训练"免疫系统的？
How does an mRNA vaccine train the immune system?
mRNA被包进脂质纳米粒，注射后被肌细胞摄取，细胞利用它翻译出病毒抗原蛋白（如刺突蛋白），经MHC分子在细胞表面展示。免疫系统把该蛋白当作异物，激活辅助T细胞并诱导出中和抗体和细胞毒性T细胞应答，同时留下记忆细胞。mRNA在细胞内很快降解，不会进入细胞核，所以不能改变基因组；常见反应多为局部酸痛和短期发热，属于正常免疫应答。
The mRNA is packaged in a lipid nanoparticle, taken up by muscle cells, and translated into the viral antigen (such as the spike protein), which is presented via MHC molecules on the cell surface. The immune system treats it as foreign, activating helper T cells and generating neutralizing antibody and cytotoxic T-cell responses while leaving behind memory cells. The mRNA degrades quickly inside cells and never enters the nucleus, so it cannot alter your genome; common reactions such as a sore arm or short-lived fever are normal immune responses.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：此条未指向带版次的可引用著作（通识性内容、机构文件或未展开的英文书名），本库不提供独立书目出处；如需精确引用，需由编辑补全具体篇目与版次。
NEJM（mRNA疫苗机制综述）
NEJM (review, mRNA vaccine mechanism)
#mRNA疫苗 #脂质纳米粒 #中和抗体
什么是“治疗窗窄”的药物，为什么要监测血药浓度？
What are narrow therapeutic index drugs, and why is blood level monitoring needed?
治疗窗指有效浓度与中毒浓度之间的区间。华法林、地高辛、锂盐、苯妥英钠、茶碱和氨基糖苷类抗生素的这一区间很窄，剂量或代谢的小幅变化就可能从无效跳到中毒。因此临床需要治疗药物监测：华法林查INR，地高辛和锂盐测血药浓度，氨基糖苷类按峰谷值调整。患者应固定服药时间、不擅自换厂家或改剂量，并主动告知医生所有正在使用的药物和保健品。
The therapeutic window is the gap between effective and toxic concentrations. For warfarin, digoxin, lithium, phenytoin, theophylline and aminoglycoside antibiotics that gap is narrow, so a small change in dose or metabolism can swing the effect from useless to toxic. Clinical practice therefore relies on therapeutic drug monitoring: INR for warfarin, serum levels for digoxin and lithium, peak and trough values to adjust aminoglycosides. Patients should keep dosing times consistent, not switch brands or doses on their own, and tell their doctor about every drug and supplement they take.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-11-02
来源 · Source
《古德曼与吉尔曼治疗学的药理学基础》
Goodman & Gilman's The Pharmacological Basis of Therapeutics
独立核验依据 · Independent verification: 核验依据 1 OPENLIBRARY 标识 /works/OL18376456W：Goodman & Gilman's the
#治疗窗 #血药浓度监测 #华法林 #地高辛
纳洛酮为什么能救回阿片类药物过量的人？
Why can naloxone reverse an opioid overdose?
阿片类药物过量最危险的后果是作用于脑干μ受体导致呼吸抑制。纳洛酮是μ受体的竞争性拮抗剂，亲和力高，能把阿片类分子从受体上“挤下来”，静脉或鼻喷给药后数分钟内恢复呼吸。但它的半衰期比多数阿片类短，患者可能在药效消退后再次陷入呼吸抑制，因此使用后必须立即呼叫急救并持续观察，可能需要重复给药。许多国家已允许社区人群配备鼻喷纳洛酮以救助他人。
The most dangerous consequence of opioid overdose is respiratory depression from action on brainstem mu receptors. Naloxone is a high-affinity competitive antagonist at those receptors, physically displacing the opioid, and restores breathing within minutes when given intravenously or as a nasal spray. Its half-life is shorter than that of most opioids, however, so the patient can slip back into respiratory depression as it wears off - emergency services must be called immediately, monitoring continued and repeat doses may be needed. Many countries now let community members carry nasal naloxone to help others.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#纳洛酮 #阿片受体拮抗剂 #呼吸抑制 #过量急救
β受体阻滞剂这类药物为什么能改善心力衰竭的预后？
Why can beta-blockers improve outcomes in heart failure?
在慢性心衰中，交感神经长期过度兴奋会令心肌持续高负荷并促发重塑；β受体阻滞剂阻断肾上腺素能刺激，降低心率和耗氧，长期可逆转部分心室重构。MERIT-HF、CIBIS II 等大型试验证明，在标准治疗上加用美托洛尔或比索洛尔能显著降低死亡率。
In chronic heart failure, sustained sympathetic over-activation overloads the myocardium and drives remodeling. Beta-blockers blunt adrenergic stimulation, lowering heart rate and oxygen demand, and over time partially reverse ventricular remodeling. Trials such as MERIT-HF and CIBIS II showed that adding metoprolol or bisoprolol to standard therapy cuts mortality.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：著录含书名，但缺版次 / 出版社 / 年份中的一部分，需编辑补全后才能做独立比对。
Hjalmarson 等《MERIT-HF 试验》(Lancet, 2000)；CIBIS II 研究者《比索洛尔治疗心衰》(Circulation, 1999)
Hjalmarson et al., 'MERIT-HF trial' (Lancet, 2000); CIBIS II Investigators, 'Bisoprolol in heart failure' (Circulation, 1999)
#β受体阻滞剂 #心室重构 #交感神经 #MERIT-HF
基因治疗是怎样实现的？目前用在哪些病？
How does gene therapy work, and what diseases does it treat?
基因治疗用经过改造的无害病毒载体（如AAV、慢病毒）把功能正常的基因送入患者细胞，补偿或纠正致病突变；或直接递送基因编辑工具（如CRISPR）在体内定点修复基因。已获批的治疗覆盖遗传性视网膜病、脊髓性肌萎缩（SMA）、β-地中海贫血等单基因病。挑战在于递送效率、长期表达稳定性和免疫反应，更多适应症正在临床试验中。
Gene therapy uses engineered harmless viral vectors—such as AAV and lentiviruses—to deliver a functional gene into the patient's cells to compensate for or correct a disease-causing mutation, or it delivers gene-editing tools like CRISPR to repair the gene in place. Approved treatments cover single-gene diseases such as inherited retinal disease, spinal muscular atrophy (SMA), and beta-thalassemia. Challenges include delivery efficiency, long-term expression stability, and immune responses, and many more indications are in clinical trials.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：此条未指向带版次的可引用著作（通识性内容、机构文件或未展开的英文书名），本库不提供独立书目出处；如需精确引用，需由编辑补全具体篇目与版次。
FDA（批准的基因治疗）
FDA (approved gene therapies)
#基因治疗 #病毒载体 #CRISPR
仿制药和原研药一样吗？
Are generic and brand-name drugs the same?
在监管下，仿制药需达到与原研药相同的活性成分、剂量和疗效标准，少数辅料可能不同，但总体等效且更经济。
Under regulation, generics must match the active ingredient, dose and effect of the brand; minor inactive differences exist, but they're generally equivalent and cheaper.
难度 专业 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#仿制药 #等效
什么是药物的“首过效应”？
What is the first-pass effect of a drug?
口服药物在小肠吸收后先经门静脉进入肝脏，部分药物在到达全身循环之前就被肝酶大量代谢掉，这就是首过效应，它会显著降低生物利用度。硝酸甘油、利多卡因、普萘洛尔等药物首过消除很强，因此硝酸甘油需舌下含服、利多卡因用于抗心律失常时须静脉给药。静脉注射、舌下、经皮和部分直肠给药都能不同程度绕过首过代谢，这也是同一药物口服与注射剂量常常相差很大的原因。
An orally taken drug is absorbed in the small intestine and passes first through the portal vein into the liver, where hepatic enzymes may metabolize much of it before it ever reaches the systemic circulation - the first-pass effect, which sharply lowers bioavailability. Nitroglycerin, lidocaine and propranolol undergo heavy first-pass elimination, which is why nitroglycerin is given under the tongue and lidocaine intravenously when used for arrhythmias. Intravenous, sublingual, transdermal and partly rectal routes bypass this metabolism to varying degrees, explaining why oral and injected doses of the same drug often differ greatly.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-11-02
来源 · Source
《古德曼与吉尔曼治疗学的药理学基础》
Goodman & Gilman's The Pharmacological Basis of Therapeutics
独立核验依据 · Independent verification: 核验依据 1 OPENLIBRARY 标识 /works/OL18376456W：Goodman & Gilman's the
#首过效应 #生物利用度 #肝代谢 #给药途径
常用降压药是通过哪些途径降血压的？
By what mechanisms do common blood-pressure drugs lower pressure?
利尿剂通过排钠排水减少血容量；β受体阻滞剂减慢心率、降低心输出量；ACEI和ARB抑制肾素-血管紧张素系统、减少血管收缩并扩张血管；钙通道阻滞剂阻断血管平滑肌的钙内流直接松弛血管。它们分别作用于"容量、泵血、血管张力"三个环节，医生常据此组合用药以增强效果、减少副作用。降压治疗同时配合限盐、运动等生活方式调整，目标是长期把血压维持在安全范围以保护心脑肾。
Diuretics reduce blood volume by excreting salt and water; beta-blockers slow heart rate and lower cardiac output; ACE inhibitors and ARBs suppress the renin–angiotensin system, reducing vasoconstriction and dilating vessels; calcium-channel blockers relax vessels by blocking calcium entry in smooth muscle. They act on the three drivers of pressure — volume, pumping, and vascular tone — which is why combinations are common to boost effect and limit side effects. Drug treatment goes together with lifestyle changes such as salt reduction and exercise, aiming to keep pressure in a safe range long-term to protect the heart, brain, and kidneys.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#降压药 #肾素-血管紧张素系统 #钙通道阻滞剂
对乙酰氨基酚（扑热息痛）过量为何危险？
Why is paracetamol overdose dangerous?
过量会损伤肝脏，严重可致命。很多感冒药里也含它，叠加容易超量。务必看清每日上限，有疑问咨询药师。（科普，具体遵医嘱。）
An overdose damages the liver and can be fatal. Many cold medicines contain it, so combining risks excess. Respect the daily limit and ask a pharmacist. (Educational; follow medical advice.)
难度 专业 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#对乙酰氨基酚 #肝
ACE 抑制剂是如何降低血压和保护心脏的？
How do ACE inhibitors lower blood pressure and protect the heart?
ACE 抑制剂阻断血管紧张素转化酶，减少强效缩血管物质血管紧张素 II 的生成，使血管舒张、醛固酮下降、钠水潴留减轻。它还能减轻心脏后负荷并被证实可延缓心衰与肾病进展。
ACE inhibitors block angiotensin-converting enzyme, cutting production of the potent vasoconstrictor angiotensin II, so vessels dilate and aldosterone-driven salt retention falls. They also reduce cardiac afterload and slow progression of heart failure and kidney disease.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：作者 / 书名 / 版次 / 出版社 / 年份齐备，仅缺独立比对证据；已在可信度报告单列披露，不再重复核验。
Brown 与 Vaughan《血管紧张素转化酶》(Circulation Research, 1998)；美国国立糖尿病消化肾脏病研究所(NIDDK)《高血压药物》；FDA 卡托普利批准(1981)
Brown & Vaughan, 'The angiotensin-converting enzyme' (Circulation Research, 1998); NIDDK, 'High Blood Pressure Medicines'; FDA Captopril approval (1981)
#ACE抑制剂 #血管紧张素 #血管舒张 #后负荷
布洛芬这类药是怎么止痛退烧的？
How do drugs like ibuprofen relieve pain and fever?
布洛芬属于非甾体抗炎药（NSAIDs），它抑制环氧合酶（COX-1和COX-2），减少前列腺素的合成。前列腺素会放大痛觉信号并升高体温调定点，减少它就能同时镇痛、退烧、抗炎。但COX-1也保护胃黏膜，长期大剂量用药可能损伤胃，应短期按说明使用。
Ibuprofen is an NSAID that inhibits cyclooxygenase (COX-1 and COX-2), cutting production of prostaglandins. These lipids amplify pain signals and raise the body's temperature set point, so reducing them brings down pain, fever, and inflammation together. Since COX-1 also protects the stomach lining, prolonged high-dose use can harm the gut, so it should be used short-term as directed.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#布洛芬 #前列腺素 #环氧合酶
阿片类药物为什么既能强效镇痛又容易成瘾？
Why do opioids relieve pain powerfully yet become addictive?
阿片类结合 μ 受体，既抑制痛觉传导又激活中脑奖赏环路释放多巴胺，带来镇痛与欣快。反复使用会引致耐受、依赖和断药后的强烈渴求，正是阿片危机的生物学根源。
Opioids bind mu receptors, dampening pain pathways while activating midbrain reward circuits to release dopamine, giving both analgesia and euphoria. Repeated use drives tolerance, dependence, and intense craving—the biological root of the opioid crisis.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：著录含书名，但缺版次 / 出版社 / 年份中的一部分，需编辑补全后才能做独立比对。
Volkow 与 McLellan《阿片危机的生物学》(NEJM, 2016)；美国国立药物滥用研究所(NIDA)《阿片》
Volkow & McLellan, 'Opioid abuse in chronic pain' (NEJM, 2016); US NIDA, 'Opioids'
#阿片 #μ受体 #奖赏环路 #成瘾
为什么小剂量阿司匹林能抗血栓，而止痛要用大剂量？
Why does low-dose aspirin prevent clots while pain relief needs a higher dose?
阿司匹林会不可逆地乙酰化环氧化酶。血小板没有细胞核，无法重新合成COX-1，因此每天75～100 mg的小剂量就能持续抑制血小板生成血栓素A2，达到抗血小板效果，作用可维持整个血小板寿命。而镇痛和抗炎需要抑制组织中可再生的COX-2，必须用更高剂量并反复给药。是否长期服用小剂量阿司匹林需医生按心血管风险与出血风险个体化评估，儿童病毒感染期使用还有瑞氏综合征风险。
Aspirin irreversibly acetylates cyclo-oxygenase. Platelets have no nucleus and cannot resynthesize COX-1, so a daily 75-100 mg dose is enough to keep suppressing platelet thromboxane A2 production for the platelet's whole lifespan, giving an antiplatelet effect. Analgesia and anti-inflammatory action, by contrast, require inhibiting COX-2 in tissues that continually make new enzyme, which demands higher, repeated doses. Whether to take long-term low-dose aspirin must be individualized by a doctor weighing cardiovascular against bleeding risk, and aspirin during viral illness in children carries a risk of Reye syndrome.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-11-02
来源 · Source
《古德曼与吉尔曼治疗学的药理学基础》
Goodman & Gilman's The Pharmacological Basis of Therapeutics
独立核验依据 · Independent verification: 核验依据 1 OPENLIBRARY 标识 /works/OL18376456W：Goodman & Gilman's the
#阿司匹林 #环氧化酶 #血栓素 #抗血小板
保健品和处方药会冲突吗？
Can supplements conflict with prescription drugs?
会。例如圣约翰草会降低多种药物疗效，高剂量某些营养素也会影响抗凝或血压。就医时把正在服用的所有保健品都告诉医生。
Yes. St John's wort weakens many drugs, and high-dose nutrients can affect blood thinners or pressure. Tell your doctor about every supplement you take.
难度 专业 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#保健品 #相互作用
为什么第一代抗组胺药（如苯海拉明）会让人犯困，而第二代（如氯雷他定）较少？
Why do first-generation antihistamines (e.g. diphenhydramine) cause drowsiness while second-generation (e.g. loratadine) rarely do?
第一代抗组胺药脂溶性高，容易穿过血脑屏障阻断中枢H1受体，抑制觉醒系统而使人嗜睡，还带抗胆碱副作用。第二代经结构改造后对外周H1选择性高、不易入脑，因此抗过敏同时较少犯困，适合白天使用。驾驶或操作机械前应慎用第一代药物。
First-generation antihistamines are lipophilic and cross the blood–brain barrier, blocking central H1 receptors and the wake system to cause sleepiness, plus anticholinergic effects. Second-generation drugs were redesigned to favour peripheral H1 and stay out of the brain, so they relieve allergy with little drowsiness, better for daytime. Avoid driving on first-generation ones.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-10-03 · 2 条独立证据
来源 · Source
杨宝峰《药理学》第9版；《中国药典》2020年版
Yang Baofeng "Pharmacology" 9th ed.; Chinese Pharmacopoeia 2020
独立核验依据 · Independent verification: 核验依据 2 DOUBAN ISBN 标识 9787117266048（按标识回读: 药理学（第9版））
#抗组胺药 #血脑屏障 #H1受体 #嗜睡
为什么服药要留意药物相互作用？
Why should you watch for drug interactions when taking medicines?
两种或多种药物同服可能相互影响，使药效增强、减弱或产生毒性，如某些抗生素与抗凝药、他汀与葡萄柚。就诊和购药时应主动告知所有在用药物与保健品。
Taking two or more drugs together may alter each other's effects—boosting, reducing, or creating toxicity, e.g., some antibiotics with blood thinners, or statins with grapefruit. Always tell clinicians and pharmacists about all medicines and supplements you use.
难度 专业 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#药物相互作用 #合理用药 #药理
阿司匹林为什么既能止痛又能预防心梗？
Why can aspirin both relieve pain and prevent heart attacks?
阿司匹林不可逆地抑制环氧合酶(COX)，减少前列腺素合成从而止痛消炎，同时也抑制血小板生成血栓素 A2，降低血小板聚集。小剂量长期服用于高危人群可减少心血管事件，但出血风险随之上升。
Aspirin irreversibly inhibits cyclooxygenase (COX), cutting prostaglandin synthesis to relieve pain and inflammation, and also blocks platelet thromboxane A2 so platelets aggregate less. Low-dose long-term use reduces cardiovascular events in high-risk people but raises bleeding risk.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-11-04
来源 · Source
Vane, J.R.,《Inhibition of Prostaglandin Synthesis as a Mechanism of Action for Aspirin-like Drugs》, Nature New Biology, 1971 (DOI: 10.1038/newbio231232a0)；美国 NIH 国家心脏肺血液研究所(NHLBI)
Vane, J.R., 'Inhibition of Prostaglandin Synthesis as a Mechanism of Action for Aspirin-like Drugs', Nature New Biology, 1971, DOI: 10.1038/newbio231232a0
独立核验依据 · Independent verification: 核验依据 1 Crossref DOI 10.1038/newbio231232a0
#阿司匹林 #环氧合酶 #前列腺素 #抗血小板
抗抑郁药为什么要吃几周才见效？
Why do antidepressants take weeks to work?
以SSRI为例，它在服药几小时内就能提高突触间隙的血清素浓度，但临床改善却要等2～4周甚至更久。原因在于真正的疗效来自更慢的适应过程：突触前自身受体逐渐脱敏、受体表达调整，以及神经营养因子增加带来的突触可塑性变化。因此不能因“几天没效”就自行停药或加量；停药也需在医生指导下逐渐减量，以免出现撤药反应。
An SSRI raises serotonin in the synaptic cleft within hours of the first dose, yet clinical improvement usually takes two to four weeks or longer. The reason is that the real benefit comes from slower adaptations: presynaptic autoreceptors gradually desensitize, receptor expression shifts, and increased neurotrophic signalling reshapes synaptic plasticity. So a few days without benefit is no reason to stop or self-escalate the dose, and stopping should always be a gradual, doctor-guided taper to avoid discontinuation symptoms.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#抗抑郁药 #SSRI #受体脱敏 #神经可塑性
全身麻醉时人为什么会"睡着"，又为什么能安全醒来？
Why does general anesthesia make you "sleep," and how do you wake up safely?
静脉或吸入麻醉药通过增强GABA这类抑制性递质的作用，抑制大脑意识网络，让你失去意识并阻断痛觉。麻醉医生全程监测心率、血压和血氧，手术结束后药物逐渐被代谢清除，意识随之恢复。
Intravenous and inhaled anesthetics boost inhibitory transmitters like GABA, suppressing the brain's consciousness networks so you lose awareness and pain sensation. An anesthesiologist continuously monitors heart rate, blood pressure, and oxygen; once the surgery ends, the drugs are metabolized and cleared, and consciousness returns.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#全身麻醉 #GABA #麻醉监测
什么是“处方药”和“非处方药”？
What are 'prescription' and 'over-the-counter' medicines?
处方药必须凭医生处方才能购买，通常用于较复杂或风险较高的治疗；非处方药（OTC）安全性较高，可自行在药店购买。但两者都应按说明使用。
Prescription drugs require a doctor's prescription, usually for more complex or higher-risk treatments, while over-the-counter (OTC) drugs are safer and can be bought directly. Both should be used as directed.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#处方药 #非处方药 #药理
为什么二甲双胍是2型糖尿病的首选口服药且兼具心血管获益？
Why is metformin the first-choice oral drug for type 2 diabetes and also heart-protective?
二甲双胍主要抑制肝糖输出、改善外周胰岛素敏感性，降糖平稳且单用很少引起低血糖。UKPDS等大型研究和真实世界证据显示它还能降低心血管事件与死亡风险，且价格低廉。因此美国糖尿病学会指南把它作为无禁忌者的一线起始用药。严重肾功能不全或急性代谢失代偿时须停用。
Metformin mainly curbs hepatic glucose output and improves peripheral insulin sensitivity, lowering glucose steadily with little hypoglycemia alone. Trials like UKPDS and real-world data show it also cuts cardiovascular events and death, and it is cheap. The ADA guideline thus starts most patients on it as first-line, stopping it in severe kidney failure or acute metabolic crisis.
难度 进阶 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：著录含书名，但缺版次 / 出版社 / 年份中的一部分，需编辑补全后才能做独立比对。
美国糖尿病学会(ADA)《糖尿病诊疗标准》(2024)；《内科学》第9版
ADA Standards of Care (2024); "Internal Medicine" 9th ed.
#二甲双胍 #2型糖尿病 #胰岛素增敏 #心血管获益
CAR-T细胞疗法是如何治疗癌症的？
How does CAR-T cell therapy treat cancer?
CAR-T疗法先从患者血液中采集T细胞，在体外通过基因工程给它们装上能识别肿瘤抗原的“嵌合抗原受体”（CAR），扩增后再输回体内，让这些改造过的T细胞精准攻击肿瘤细胞。它在复发难治的B细胞白血病和淋巴瘤中疗效显著，是多轮治疗失败后重要的挽救手段。
CAR-T therapy starts by collecting T cells from the patient's blood, genetically engineering them in the lab to carry a chimeric antigen receptor (CAR) that recognizes tumor antigens, expanding them, and infusing them back so the engineered T cells attack tumor cells precisely. It is highly effective in relapsed or refractory B-cell leukemias and lymphomas, offering a key rescue option after multiple treatment lines fail.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：此条未指向带版次的可引用著作（通识性内容、机构文件或未展开的英文书名），本库不提供独立书目出处；如需精确引用，需由编辑补全具体篇目与版次。
NEJM（CAR-T 疗法综述）
NEJM (CAR-T therapy review)
#CAR-T #细胞治疗 #血液肿瘤
缓释片为什么不能随便掰开或嚼碎？
Why shouldn't extended-release tablets be split or chewed?
缓释和控释制剂靠特殊的骨架材料或包衣把药物在几小时甚至一天内匀速释放。掰碎、研磨或咀嚼会破坏这个结构，导致本应缓慢释放的剂量瞬间涌入体内（剂量突释），可能造成血压骤降、心律失常或阿片类过量等严重后果。看到药名中带有缓释、控释、SR、XL、XR等标识时，应整片吞服；确实吞咽困难或需要分剂量，务必先咨询医生或药师是否有可分割剂型。
Extended- and controlled-release products rely on a special matrix or coating to release the drug evenly over many hours or a whole day. Breaking, crushing or chewing destroys that structure, so a dose meant to trickle out floods the body at once - dose dumping - which can cause a sudden drop in blood pressure, arrhythmia or opioid overdose. When a name carries markers such as extended-release, controlled-release, SR, XL or XR, swallow it whole; if swallowing is genuinely difficult or the dose must be divided, ask a doctor or pharmacist about a splittable formulation first.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#缓释片 #剂量突释 #用药安全 #整片吞服
止痛药是怎么起作用的？
How do painkillers work?
常见止痛药大致分三类：对乙酰氨基酚类主要在中枢水平减轻痛觉信号传递；非甾体抗炎药（阿司匹林、布洛芬等）抑制环氧化酶COX，减少致痛致炎的前列腺素合成；阿片类（吗啡、曲马多等）作用于脑与脊髓阿片受体阻断痛觉传入。它们都缓解症状而非治因，应遵医嘱或按说明使用。
Common painkillers fall into three broad groups: acetaminophen-type agents, which act mainly at the central level to dampen pain-signal transmission; NSAIDs such as aspirin and ibuprofen, which block cyclooxygenase (COX) and cut the synthesis of prostaglandins that drive inflammation and pain; and opioids such as morphine and tramadol, which act on opioid receptors in the brain and spinal cord to block pain input. All relieve symptoms rather than treating the cause; use as directed by a doctor or the label.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#止痛药 #疼痛 #药理
灭活疫苗是怎么制成的？安全吗？
How are inactivated vaccines made, and are they safe?
灭活疫苗用加热、化学剂或辐射等方法把病原体杀死，使其失去致病力但保留抗原结构。注射后免疫系统照样能识别并记住它，因为病原体不会繁殖，所以不会引起疾病，通常需要多剂次和佐剂来增强免疫应答。
Inactivated vaccines kill the pathogen with heat, chemicals, or radiation so it loses its ability to cause disease while keeping its antigen structure. The immune system still recognizes and remembers it, and since the pathogen cannot multiply, the vaccine cannot give you the illness; extra doses and adjuvants are often needed to strengthen the response.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#灭活疫苗 #佐剂 #抗原
为什么有些药需要处方？
Why do some medicines require a prescription?
处方药通常用于风险较高或需剂量监控的药物（如抗生素、降压药），需医生评估后开具，以免误用或产生耐药、副作用。
Prescription drugs are usually riskier or need dose monitoring (e.g., antibiotics, blood-pressure meds) and require a doctor's evaluation to avoid misuse, resistance, or side effects.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#处方药 #监管
放疗和化疗有什么区别？
What is the difference between radiation therapy and chemotherapy?
放疗用高能射线照射肿瘤局部，让癌细胞的DNA断裂、无法分裂，属于"局域打击"；化疗则是药物进入全身循环，杀伤全身的增殖细胞。两者常组合使用，比如放疗处理原发灶、化疗控制潜在转移。
Radiation therapy focuses high-energy beams on the tumor, breaking cancer-cell DNA so the cells cannot divide — a local strike. Chemotherapy circulates drugs through the whole body to kill dividing cells everywhere. The two are often combined, for example radiation for the primary tumor and chemo to control possible spread.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#放疗 #化疗 #DNA损伤
为什么华法林的治疗窗很窄，需要定期抽血测INR？
Why does warfarin have a narrow therapeutic window needing regular INR blood tests?
华法林抑制维生素K依赖的凝血因子合成，其有效剂量与出血剂量很接近，且受饮食、基因和多种药物影响。国际标准化比值（INR）用来量化抗凝强度，目标范围通常2.0–3.0，过低易血栓、过高易出血。因此服药者必须定期验血并据此微调剂量，不能随意停药。
Warfarin blocks vitamin-K-dependent clotting factors, but its effective and bleeding doses are close, and diet, genetics and many drugs shift it. The INR quantifies anticoagulation; the usual target is 2.0–3.0, where too low risks clots and too high risks bleeding. Users must have regular blood tests and dose tweaks, never stopping abruptly.
难度 进阶 · 适合 高中(15-18)
CC BY 4.0 · 已核验 · Verified 2026-10-03
来源 · Source
杨宝峰《药理学》第9版；美国胸科医师学会(ACCP)抗血栓指南
Yang Baofeng "Pharmacology" 9th ed.; ACCP antithrombotic guideline
#华法林 #INR #治疗窗 #抗凝
SSRI 类抗抑郁药（如氟西汀）是通过什么途径起效的？
How do SSRI antidepressants like fluoxetine work?
SSRI 选择性抑制突触前膜的 5-羟色胺转运体，减少该递质被回收，从而提升突触间隙的 5-羟色胺浓度，逐步改善情绪。这类药在数周内缓慢起效，并非即时提升快乐感。
SSRIs selectively block the serotonin transporter on the presynaptic membrane, reducing reuptake and raising synaptic serotonin levels, which gradually lifts mood. They act slowly over weeks, not by instantly creating happiness.
难度 进阶 · 适合 高中(15-18)
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：著录含书名，但缺版次 / 出版社 / 年份中的一部分，需编辑补全后才能做独立比对。
Wong 等《氟西汀的发现》(1974, 后 FDA 1987 批准)；Cipriani 等《抗抑郁药疗效比较》(Lancet, 2018)；美国国立精神卫生研究所(NIMH)
Wong et al., 'Fluoxetine (Prozac) discovery' (1974, FDA approval 1987); Cipriani et al., 'Antidepressants compared' (Lancet, 2018); NIMH
#SSRI #5-羟色胺 #氟西汀 #转运体
退烧止痛药布洛芬和对乙酰氨基酚有何不同？
How do ibuprofen and acetaminophen differ as fever/pain relievers?
布洛芬属非甾体抗炎药（NSAIDs），兼具退热、镇痛和抗炎作用，但可能刺激胃、影响肾功能；对乙酰氨基酚主要退热镇痛、抗炎弱，过量伤肝。二者不宜随意叠加，需按说明书。
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) with fever-, pain-, and anti-inflammatory effects but may irritate the stomach and affect kidneys. Acetaminophen mainly reduces fever and pain with weak anti-inflammation but harms the liver if overdosed. Don't combine casually; follow the label.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#布洛芬 #对乙酰氨基酚 #药理
为什么不能乱混着吃药？
Why shouldn't you mix medicines randomly?
不同药可能互相影响，有的会增强毒性、有的会抵消效果，还可能加重肝肾负担，所以不能自己随便混着吃。
Different medicines can interact, some increase toxicity, others cancel out, and they can strain the liver and kidneys, so don't mix them randomly.
难度 进阶 · 适合 小学高段(9-12)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#药物相互作用 #安全
为什么有些药需要饭前吃，有些要饭后吃？
Why do some medicines need to be taken before meals and others after?
饭前吃常是为了让药物更快吸收或保护胃黏膜，饭后吃则是为了减少药物对胃的刺激。具体应听从药师或说明书的建议。
Taking a drug before meals often aims for faster absorption or stomach protection, while after meals reduces irritation to the stomach. Follow the pharmacist's or label's specific advice.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#服药时间 #胃 #药理
为什么说抗生素不能滥用？
Why must antibiotics not be overused?
抗生素只针对细菌，滥用会在大量细菌被杀掉的同时，把恰好耐药的个体留下来继续繁殖，细菌还能通过质粒把耐药基因传给同类。用得越多，耐药菌越占优势，"超级细菌"由此而来，所以医生总强调按处方、按疗程用药。
Antibiotics act only on bacteria, and overuse kills most of them while leaving any naturally resistant individuals behind to multiply; bacteria can also pass resistance genes to each other via plasmids. The more antibiotics are used, the more resistant strains dominate — the origin of "superbugs" — which is why doctors insist on prescribed doses and full courses.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#抗生素耐药 #超级细菌 #耐药基因
止痛药是如何起作用的？
How do painkillers work?
常见止痛药（如布洛芬）通过抑制前列腺素的生成来减轻疼痛和发炎；对乙酰氨基酚则主要作用于大脑痛觉中枢。
Common painkillers like ibuprofen reduce pain and inflammation by blocking prostaglandin production; acetaminophen mainly acts on the brain's pain centers.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-11-03
来源 · Source
杨宝峰主编《药理学》第9版，人民卫生出版社，2018年
Goodman & Gilman's The Pharmacological Basis of Therapeutics, L.L. Brunton ed., McGraw-Hill, 13th ed., 2018
独立核验依据 · Independent verification: 核验依据 1 OPENLIBRARY 标识 /works/OL18376456W：Goodman & Gilman's the
#止痛药 #前列腺素
为什么有些人喝一点酒就脸红？
Why do some people flush after just a little alcohol?
酒精先被乙醇脱氢酶转化为乙醛，再由乙醛脱氢酶2（ALDH2）分解为乙酸。东亚人群中相当比例携带活性很低的ALDH2变异型，乙醛迅速堆积，引起面部潮红、心跳加快、头痛和恶心。乙醛被国际癌症研究机构列为1类致癌物，因此这类人若长期饮酒，食管癌风险比一般人高出数倍。脸红不是“酒量能练出来”的表现，而是身体发出的代谢警告。
Alcohol is first converted to acetaldehyde by alcohol dehydrogenase, then broken down to acetate by aldehyde dehydrogenase 2 (ALDH2). A substantial share of East Asian people carry a low-activity ALDH2 variant, so acetaldehyde builds up quickly and causes facial flushing, a racing heart, headache and nausea. Acetaldehyde is classified as a Group 1 carcinogen by the International Agency for Research on Cancer, so flushers who drink regularly face a several-fold higher risk of oesophageal cancer. Flushing is not a sign that tolerance can be trained up - it is a metabolic warning.
难度 进阶 · 适合 大众
CC BY 4.0 · 来源待核验 · Source pending review
来源 · Source
出处备注：此条未指向带版次的可引用著作（通识性内容、机构文件或未展开的英文书名），本库不提供独立书目出处；如需精确引用，需由编辑补全具体篇目与版次。
国际癌症研究机构（IARC）关于酒精与乙醛的专著
IARC Monographs on alcohol and acetaldehyde
#ALDH2 #乙醛 #饮酒脸红 #食管癌风险
喝酒同时吃药为什么危险？
Why is drinking alcohol with medicine dangerous?
酒精会与许多药物（止痛药、安眠药、部分抗生素）相互作用，可能伤肝或过度镇静。服药期间阅读标签并尽量避免饮酒。
Alcohol interacts with many drugs (painkillers, sleep aids, some antibiotics), risking liver harm or oversedation. Read labels and avoid alcohol while taking medicine.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#酒精 #相互作用
为什么过量服药会中毒？
Why can overdosing on medicine be toxic?
药物需要被身体代谢成安全形式排出，过量会让代谢系统超负荷、毒性积累，损害肝、肾或神经系统。
Drugs must be metabolized and excreted safely; an overdose overloads that system, letting toxicity build and damage the liver, kidneys, or nerves.
难度 进阶 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#过量 #中毒
儿童铅暴露为什么特别危险？
Why is lead exposure especially dangerous for children?
铅会干扰神经系统发育，影响神经元迁移、突触形成和髓鞘化，造成认知能力下降、注意力和行为问题，这些损害往往不可逆。儿童单位体重摄入更多、肠道对铅的吸收率远高于成人，加上爬行和把手放入口中的行为，暴露风险更大。世界卫生组织明确指出目前尚未发现“安全”的血铅水平。常见来源包括含铅涂料与粉尘、受污染土壤、非正规蓄电池回收、某些劣质化妆品与调味料以及老旧含铅管道。
Lead disrupts nervous system development, interfering with neuronal migration, synapse formation and myelination, and the resulting loss of cognitive ability and problems with attention and behaviour are often irreversible. Children take in more per kilogram of body weight and absorb lead from the gut far more efficiently than adults, and crawling and mouthing objects add to exposure. WHO states plainly that no safe blood lead level has been identified. Common sources include leaded paint and dust, contaminated soil, informal battery recycling, some low-quality cosmetics and spices, and old lead plumbing.
难度 进阶 · 适合 初中(12-15)
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据结论有争议 · Contested
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#铅暴露 #神经发育 #血铅 #污染来源
药应该怎么存放？
How should medicines be stored?
放在阴凉干燥、儿童和宠物拿不到的地方；少数需冷藏。浴室潮湿会加速变质，不建议存药在卫生间。
Store in a cool, dry place out of reach of children and pets; a few need refrigeration. Bathroom humidity spoils medicine—avoid storing it there.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#药品储存 #安全
药过期了还能吃吗？
Can I take medicine past its expiry?
药效可能下降，少数还会分解出有害物质。过期药品不要使用，并按当地规定回收或处理，别随意冲下马桶。
Potency may drop and a few degrade unsafely. Don't use expired medicine; dispose of it per local guidance rather than flushing.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#过期药 #处理
忘吃药了要马上补吗？
Should I double up if I miss a dose?
一般若想起时离下次服药还早，就补上；若已接近下次时间，则跳过、按原剂量继续，切勿一次吃两倍。具体以说明书或药师建议为准。
Usually take it if you remember and it's far from the next dose; if it's almost time, skip it and continue—never take a double dose. Follow the label or pharmacist.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#漏服 #剂量
药可以和别人分享吗？
Can I share my medicine with others?
不可以。同样的症状可能原因不同，剂量也因人而异，分享既无效还可能有害。自己的药只给自己用。
No. The same symptoms can have different causes and doses differ by person; sharing is ineffective and can be harmful. Use your medicine only for yourself.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#共享药物 #安全
吃药前为什么要读说明书？
Why read the medicine leaflet before taking it?
说明书标明了剂量、服用时间（饭前/饭后）、禁忌、相互作用和有效期。看不懂或不确定时，问药师最稳妥。
The leaflet shows dose, timing (before/after meals), warnings, interactions and expiry. When unsure, asking a pharmacist is safest.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#说明书 #用药安全
为什么药水有不同颜色？
Why do liquid medicines have different colors?
药水里的颜色多是加进去的食用色素，方便辨认和喝的时候不害怕，并不治病。
The colors in liquid medicine are mostly added food dyes to help identify it and make it less scary to drink; they don't treat illness.
难度 入门 · 适合 小学低段(6-8)
CC BY 4.0 · 已核验 · Verified 2026-10-03 · 2 条独立证据
来源 · Source
韩启德总主编《十万个为什么》(第六版),少年儿童出版社,2013
Han Qide chief ed., Ten Thousand Whys, 6th edition, Juvenile and Children Publishing House, 2013, 6th ed., Juvenile and Children Publishing House, 2013
独立核验依据 · Independent verification: 核验依据 1 ISBN 978-7-5324-9328-9 · 核验依据 2 ISBN 9787532493289
#药水 #色素
药为什么分饭前和饭后吃？
Why are some medicines taken before and others after meals?
有些药需要空腹好吸收（如某些抗生素），有些药对胃有刺激需要饭后吃以减少不适，所以要按说明服用。
Some medicines absorb better on an empty stomach (like certain antibiotics), while others irritate the stomach and are taken after meals; follow the instructions.
难度 入门 · 适合 大众
CC BY 4.0 · 已核验 · Verified 2026-08-23 · 2 条独立证据
来源 · Source
杨宝峰 主编,《药理学》第9版,人民卫生出版社,2018
Yang Baofeng ed., Pharmacology, 9th ed., PMPH, 2018
独立核验依据 · Independent verification: 核验依据 2 ISBN 9787117266048（豆瓣书目条目: 药理学）
#用药 #服药