Final answer:
Tranquilizers, cough syrups, and cold tablets containing codeine or antihistamines are used to relieve anxiety, suppress cough, and relieve cold symptoms.
Step-by-step explanation:
Tranquilizers, also known as benzodiazepines, are drugs that relieve the symptoms of anxiety and tension. They cause calming effects and drowsiness.
Cough syrups and cold tablets contain various substances such as codeine, antihistamines, and expectorants. These substances can help suppress coughing, relieve runny nose and watery eyes, and enhance mucus production.
Marijuana is a recreational drug that is often used for its calming and sedative effects. It is not typically used as a cough or cold medication.