青霉素自1940年开始治疗人类疾病,到目前仍是临床上应用最广的抗菌素,毒性很低,但最易引起过敏性反应,它的过敏性反应占所有药物反应中第一位。近几年通过临床观察有不少病人在用青霉素数小时后发生过敏,如果遇到这种情况,在有条件的环境下还有救,如果没有条件抢救,在5分钟内就会丧失生命。实践证明在用青霉素时,作过敏试验并不完全代表就 Since 1940, penicillin has been used to treat human diseases. Until now, penicillin is still the most widely used antibiotic in clinical practice. Its toxicity is very low but it is most likely to cause anaphylactoid reaction. Its allergic reaction accounts for the first place among all drug reactions. In recent years, many patients through clinical observation with penicillin allergy occurred in a few hours, if this happens, there are conditions in the environment there is a rescue, if no conditions for the rescue, within 5 minutes will lose their lives. Practice has proved that in the use of penicillin, allergy test does not completely represent it