排泄药

例句：

1. 1. The patient was given a special medication for his constipation.
   病人被开了一种特殊药物来治疗他的便秘。
2. 2.The vet prescribed the dog with a prescription for its diarrhea.
   兽医给狗开了一种针对其腹泻的处方。
3. 3.The medicine is designed to help people with incontinence.
   这种药是设计用来帮助那些患有失禁的人。