荨麻疹

例句：

1. 1. She has been suffering from urticaria since she was a child.
   她从小就患有荨麻疹。
2. 2. The doctor prescribed an antihistamine to treat her urticaria.
   医生给她开了抗组胺药来治疗她的荨麻疹。
3. 3. The rash on her arms and legs is a common symptom of urticaria.
   她手臂和腿部的皮疹是荨麻疹的常见症状。