Therapeutic Action of Different Classes of Drugs — Prelims Strategy

Prelims Strategy

To excel in NEET questions on the therapeutic action of drugs, a systematic approach is essential. Firstly, create a comprehensive table or flashcards for each drug class mentioned in NCERT (Antacids, Antihistamines, Tranquilizers, Analgesics, Antimicrobials, Antifertility drugs).

For each class, include: 1) Representative drug names (e.g., Cimetidine, Aspirin, Norethindrone), 2) Their primary therapeutic use, and 3) Their specific mechanism of action (e.g., H2-receptor antagonism, COX inhibition, GABA enhancement, cell wall synthesis inhibition).

Pay close attention to the chemical nature of the drugs where mentioned (e.g., synthetic estrogen/progesterone derivatives). For conceptual questions, focus on understanding *why* a drug works the way it does, rather than just rote memorization.

For example, why are antibiotics selectively toxic? For numerical problems (though rare here), ensure you understand the underlying chemical reactions (e.g., antacid neutralization stoichiometry). Be wary of trap options that swap mechanisms between drug classes or confuse similar terms like antiseptic and disinfectant.

Practice identifying the correct drug class for a given symptom or mechanism, and vice-versa. Regular revision of the table/flashcards will solidify recall.