俗话说:“是药都有三分毒”,颇有见地,确实大多数药物除具有治疗作用外,均有一定的毒副反应,可谓药性与毒性并存。尽管毒性大小因药而异,但其严重程度通常是随用量增加而增强。若超过极量会立即中毒。 值得提出的是,某些病人由于遗传缺陷,加之病理状态,或合用其它药物,可导致机体对药物的敏感性大大增强,即使很小的剂量,也能产生过敏或毒性反应,有的呈闪电般发作,也有的长期蓄积后才逐渐显露。婴幼儿、老年人更易产生。常见的毒副反应如下。 As the saying goes: “There are three-thirds drug poison”, quite insightful, in fact, most of the drugs in addition to having a therapeutic effect, have some side effects, can be described as co-existence of toxicity and toxicity. Although the magnitude of toxicity varies by drug, the severity is usually increased with increasing dosage. If more than the extreme will be immediately poisoning. It is worth mentioning that, due to genetic defects in some patients, combined with pathological conditions, or combined with other drugs, can lead to the body’s sensitivity to drugs greatly enhanced, even small doses, but also can produce allergic or toxic reactions, and some were lightning Like an attack, but also gradually revealed after long-term accumulation. Infants and young children, older people are more likely to produce. Common side effects are as follows.