Why is it essential to test the patients for “allergy to penicillin”, before it is administered?

Define the following and given one example of each:
(i) Anti-histamines
(ii) Disinfectants
(iii) Antacids.

Why should aspirin cannot be taken on an empty stomach? What does it contain chemically? Draw its structure.

What are antiseptics? Give example of an antiseptic compound.

Describe the following with example in each case:
(i) Preservatives
(ii) Tranquilizers.

Describe the following with example in each case:
(i) Antioxidants.
(ii) Biodegradable detergents.

State the function along with one example each of:
(i) Antihistamines,      (ii) Antioxidants

Explain antipyretics and analgesics, and give one example of each.

How do antipyretic and analgesic compounds help in cases of common sickness ? Give an example for each.

What are antipyretics? Give the name and structure of an antipyretic.