The Drugs used in treatment of Angina pectoris are called as antianginal drugs. Classification: Nitrates : a) Short acting (10 minutes): Glyceryl tri nitrate. (Nitroglycerine, GTN) b) Long Acting (1 hour): Isosorbide di nitrate, Isosorbide mono nitrate. 2. Calcium channel blockers: a) Phenyl alkyl amine: Verapamil. b) Benzothiazepin: Diltiazem. c) Dihydropyridines: Nifedipine, Amlodipine, Nimodipine, felodipine. 3. Beta Adrenergic Blockers: Propranolol, Atenolol, Metoprolol, Alprenolol. 4. Potassium Channel Openers: Nicorandil. 5. Miscellaneous: Dipyridamole, Trimetazidine, Ranolazine, Oxyphedrine etc. Nitrates 1) Glyceryl Tri Nitrate: It is heavy colorless explosive liquid. It as an organic nitrate compound and is synthesized by nitration of glycerin. Nitroglycerine was first used in treatment of angina ...
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