fixed drug eruption

例句：

1. 1. The patient experienced a fixed drug eruption after receiving the new medication.
   患者在接受新药后出现了固定药物反应。
2. 2. The doctor prescribed an antihistamine to treat the patient's fixed drug eruption.
   医生开了抗组胺药来治疗患者的固定药物反应。
3. 3.During the treatment, the patient's condition worsened due to a fixed drug eruption.
   在治疗期间，由于固定药物反应，患者的病情恶化了。