UPSC DRUG INSPECTOR 2026 FREE DEMO CLASS -1 | Pharmacology Class

Antihypertensive drugs can be systematically classified by understanding the Renin-Angiotensin-Aldosterone System (RAAS) and cardiovascular physiology: drugs that oppose renin release (renin inhibitors), angiotensin conversion (ACE inhibitors), angiotensin receptors (angiotensin receptor antagonists), beta receptors (beta blockers), aldosterone (aldosterone antagonists), calcium channels (calcium channel blockers), and diuretics (water reabsorption inhibitors) all work by counteracting the body's natural mechanisms that increase blood pressure. This conceptual approach allows aspirants to derive classifications naturally rather than memorizing them, making preparation more efficient and reducing the need for rote learning.