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

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

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

What are antiseptics? Give example of an antiseptic compound.

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

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

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

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

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

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