from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A drug, C10H22N4, used in the form of its sulfate salt in the treatment of hypertension.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An antihypertensive drug that reduces the release of catecholamines.


Blend of guanidine and eth(yl).
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Cyclic antidepressants and neuroleptics can negate the antihypertensive effect of guanethidine.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry

  • Potential for additive effects resulting in hypotension and / or marked bradycardia with oral Ca++ channel blockers, guanethidine or beta blocking agents, antiarrhythmics, digitalis glycosides or parasympathomimetics.

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  • The EFS was applied under NANC conditions (in the presence of atropine (1 µM) and guanethidine (5 µM)) to block cholinergic and adrenergic responses to elicit nonadrenergic noncholinergic inhibitory responses.

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  • Although this is sinequan an maoi drug is away included in max labeling, checked is allowed in uneven symptoms with preventive guanethidine (severe including or gaining formoterol along the caregivers in the face); possibly planned '' tic douloureux.


  • Action sympatholytic agents (bretylium tosilate guanethidine) gastro-intestinal tract sheep goats



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