papaverine hydrochloride

例句：

1. 1. This medication is used to treat pain and inflammation in the stomach and intestines.
   这种药物用于治疗胃和肠的疼痛和炎症。
2. 2.It is important to follow the doctor's instructions when taking this medication.
   服用这种药物时，遵循医生的指示很重要。
3. 3. The patient experienced relief from their symptoms after taking the medication for a few days.
   患者服用这种药物几天后症状有所缓解。