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Each film-coated tablet contains: Propranolol (as hydrochloride), USP 10 mg or 40 mg.
Beta blockers (beta-adrenoceptor blocking drugs or antagonists) are competitive antagonists of catecholamines at beta-adrenergic receptors in a wide range of tissues. Although they have broadly similar properties they differ in their affinity for beta1 or beta2 receptor subtypes, intrinsic sympathomimetic activity, membrane-stabilising activity, blockade of alpha-adrenergic receptors, and pharmacokinetic properties including differences in lipid solubility. These differences may affect the choice of drug in specific situation.
