青霉素是临床上应用很广的抗菌素,常用的制品有青霉素G鉀(鈉)、普魯卡因青霉素G、苄星青霉素G(二苄乙二胺青霉素G)及青霉素V等。剂型有注射剂(肌內注射用水剂、油剂)、口服片剂以及喉片等。它们的共同优点是毒性低,对某些疾病疗效好,但都有致敏性,对某些病人能引起不同程度的过敏反应。从青霉素药品临床使用后,即有过敏反应的报道,1958年 Penicillin is widely used in clinical antibiotics, commonly used products are penicillin G potassium (sodium), procaine penicillin G, benzathine penicillin G (dibenzamide penicillin G) and penicillin V and so on. Formulations injections (intramuscular injection of oil, oil), oral tablets and laryngeal tablets and so on. Their common advantages are low toxicity, good efficacy for certain diseases, but all have allergenicity, in some patients can cause varying degrees of allergic reactions. After the clinical use of penicillin drugs, there is a report of allergic reactions, 1958