Drugs have side effects that cannot be avoided by either adolescents or adults, as follows: 1. Side effects of the cardiovascular system are most common, such as increased blood pressure and postural hypotension; 2. Dry mouth, blurred vision, weight gain, daytime drowsiness, etc. are common. If you encounter these side effects do not panic, first of all it may be transient, the side effects are more obvious at the first dosing stage, as the body tolerates the drug, generally 3-5 days, serious about half a month the body can adapt, and if it is in the hospital or under the supervision of a doctor, usually even if the side effects occur, you can ensure that the treatment continues safely.