痛觉过敏

例句：

1. 1. Thepatient developed a severe allergic reactionto the medication.
   病人对这种药物产生了严重的过敏反应。
2. 2. The child is sensitive toloud noises and may become easily upset.
   这个孩子对大声噪音很敏感，容易变得易怒。
3. 3. The doctor prescribed anantihistamine for the patient'sallergic symptoms.
   医生为患者的过敏症状开了抗组胺药。