青霉素引起的过敏反应已被人们所重视 ,尤其我们广大的医务人员 ,然而青霉素毒性还能引起的脑病神经系统反应 ,还未得到普遍认识 ,现报告本院患者 3例如下。例 1,女性 ,5 0岁 ,因咳嗽咳痰 ,伴发热 2 d就诊 ,胸部摄片支气管感染 ,给予肌注青霉素 80万 ,注后 2 m in,患者诉头晕、 Penicillin-induced allergic reactions have been people’s attention, especially our vast number of medical staff, however, penicillin can cause brain encephalopathy toxicity has not been widely recognized, are reported in our hospital in 3 cases as follows. Case 1, female, 50 years old, cough and expectoration with fever 2 d treatment, chest radiography bronchial infection, giving intramuscular injection of penicillin 800 000, note 2 m in, the patient complained of dizziness,