654-2 generally refers to scopolamine, after taking scopolamine usually half an hour to an hour can take effect, relieve pain. Scopolamine can relax the spasm of smooth muscle, relieve vascular spasm, improve microcirculation at the same time can play an analgesic role, can be used to treat gastrointestinal spasm, biliary spasm, sciatica, sudden deafness, vascular neural headache and other diseases. Cerebral hemorrhage acute stage, glaucoma, pyloric obstruction, intestinal obstruction and prostate hypertrophy, pregnant women and other groups of people prohibited. Generally half an hour to one hour after taking the drug can take effect, to achieve the purpose of pain relief. Adverse effects such as flushing, dry mouth, blurred vision, increased heart rate, etc. may occur after use of the drug, and the symptoms mostly disappear within 1-3 hours. Patients who need to use scopolamine for treatment should use the drug under the guidance of a doctor, do not take the drug on your own to avoid delaying the condition.