Taking Antan should follow the doctor’s instructions, under the guidance of the doctor to increase or decrease the dose to take, usually start to take half a tablet, gradually increase the amount, no more than 5 tablets a day, divided into 3 to 4 times, there is no best way to take. The main ingredient of Antan is Benzhexol Hydrochloride, which is used for the treatment of Parkinson’s disease, Parkinson’s syndrome, and also for drug-induced extrapyramidal disorders. Common adverse reactions are blurred vision, dry mouth, etc. Occasionally, nausea, vomiting, tachycardia, constipation, urinary retention, etc. Long-term application may result in clouded consciousness, hallucinations, drowsiness, depression, memory loss. Children, pregnant women and lactating women should be careful with Antan, glaucoma, urinary retention, prostate hypertrophy patients prohibited Antan. Antan belongs to the psychotropic drugs, can not be taken at will, must be used reasonably under the guidance of a doctor.