Drug class

Hypotensives - Ganglionic Blockers

The therapeutic drug class "Hypotensives - Ganglionic Blockers" comprises antihypertensive agents that lower blood pressure by nonselectively antagonizing nicotinic acetylcholine receptors at autonomic ganglia. Read more about Hypotensives - Ganglionic Blockers

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About Hypotensives - Ganglionic Blockers.

The therapeutic drug class "Hypotensives - Ganglionic Blockers" comprises antihypertensive agents that lower blood pressure by nonselectively antagonizing nicotinic acetylcholine receptors at autonomic ganglia.

By interrupting signal transmission across both sympathetic and parasympathetic postganglionic pathways, these drugs blunt sympathetic vascular tone, promoting vasodilation, peripheral pooling, and reduced cardiac output.

Historically, agents in this class, such as mecamylamine and trimethaphan, were indicated for the management of moderately severe to malignant hypertension and for inducing controlled hypotension during surgical procedures.

However, broad autonomic disruption produces frequent adverse effects—including severe orthostatic hypotension, paralytic ileus, and urinary retention—relegating their contemporary clinical use to specialized or refractory indications.