Which of the following is used as tranquilizer?

Equanil

The answer is 4. Equanil.

Equanil is a tranquilizer that is used to treat anxiety and tension. It is also used to treat insomnia and alcohol withdrawal. Naproxen is an anti-inflammatory drug, tetracycline is an antibiotic, and chlorpheniramine is an antihistamine. None of these drugs are used as tranquilizers.

Equanil is a brand name for meprobamate, which is a member of the benzodiazepine class of drugs. Benzodiazepines are tranquilizers that work by binding to GABA receptors in the brain. GABA is a neurotransmitter that inhibits the activity of neurons. By binding to GABA receptors, benzodiazepines increase the activity of GABA, which has a calming effect on the brain.

Equanil is generally safe when used as directed. However, it can cause some side effects, such as drowsiness, dizziness, and headache. It can also be addictive. If you are taking Equanil, it is important to talk to your doctor about the risks and benefits of the drug.