Tranquilizers calm a person by acting on the nervous system. They belong to a group of

drugs called anti-anxiety and hypnotic drugs. Such drugs formerly were referred to as depressants.

2. There are two types of tranquilizers-anti-psychotic drugs and anti-anxiety drugs. Anti-psychotic drugs are used to treat patients with severe mental illness psychose. Antianxiety drugs are used to treat various emotional problems, particularly anxiety.

3. Physicians prescribe anti-psychotic drugs to treat a mental illness that is characterized by illogical, unpredictable thinking. The drugs reduce the confusion and excitement experienced by the patient. Anti-anxiety drugs relax the muscles and reduce tension. They are prescribed mainly for the treatment of anxiety. Physicians also use anti-anxiety drugs to calm children who must undergo surgery.

4 .Tranquilizers calm a person without causing much drowsiness if taken in a small enough dose. Larger doses may make the user sleepy as well as calmer. However, even the use of mild tranquilizers over a long period of time may make the user dependent on these drugs. Besides, some tranquilizers have undesirable side effects. They may cause muscle weakness and general fatigue. In addition, tranquilizers may cause drowsiness, especially if a person drinks alcoholic beverages before or after taking the drugs. A per- son should not drive a motor vehicle for several hours after taking a tranquilizer.

5. Therefore, physicians usually prescribe a small doze of tranquilizers at a time. Patients who suffer from insomnia have to visit physicians from time to time for the medicine. Drugstores do not sell tranquilizers to people without the physician's prescription. You must have heard of stories about individuals taking an excessive dose of tranquilizers to commit suicide. Tranquilizers must be taken in accordance with the physician' s instructions.

A. The physician's instructions must be followed when tranquilizers are administered

B. Physicians prescribe anti-psychotic drugs to treat patients who suffer illness of the mind

C. Taking excessive tranquilizers is a sure way of commit- ting suicide

D. Anti-psychotic drugs are sued to treat severe mental illnesses, antianxiety drugs various emotional problems.

E. The various effects of tranquilizers

F. Patients who suffer from insomnia must not take tranquilizers

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