疹

例句：

1. 1. He developed a rash on his arms after coming into contact with the pollen.
   他接触花粉后手臂上起了疹子。
2. 2. The doctor prescribed an antihistamine to treat his itchy rash.
   医生给他开了抗组胺药来治疗他的痒疹。
3. 3. She applied some ointment to her itchy rash for relief.
   她涂了一些药膏来缓解她的痒疹。