A proprietary name for: the drug phenylephrine.

The drug tolazoline.

A sympathomimetic drug related to adrenalin, used chiefly as a nasal and conjunctival decongestant and as a mydriatic.

a quaternary ammonium ion, [(CH3)3N(CH2)6N(CH3)3]++; (also) any of the salts of this ion, some of which have been used as ganglionic blocking drugs…

The drug tolazoline. Cf. Priscol, n.

Any of a class of compounds consisting of a methylene chain with a trimethylammonium group, (CH3)3N+, at each end, some of which are used as…

A sympatholytic drug, C8H5N2·NH·NH2, used in the form of the hydrochloride, a white crystalline powder, in the treatment of hypertension.

An alpha blocker used as a vasodilator, esp. in the management of hypertensive crises caused by phaeochromocytoma.

(more fully alpha-methyldopa) the compound 3-(3,4-dihydroxyphenyl)-2-methyl-L-alanine, C10H13NO4, which is used as an antihypertensive agent.

A ganglion-blocking agent originally used in the treatment of severe hypertension; pentamethylene-1,5-bis-(1-methyl-pyrrolidinium) hydrogen…

A norbornane derivative which is a ganglionic nicotinic blocking agent, sometimes used in treating extreme hypertension; N,2,3,3-tetramethylbicyclo…

A white crystalline powder which is a diuretic and saluretic sulphonamide drug, C7H8ClN3O4S2, analogous to chlorothiazide, and which is given…

A liquid piperidine derivative, (CH3)5C5H5NH (1,2,2,6,6-pentamethylpiperidine), which has been used medicinally (usually in the form of its…

A drug, 2-(octahydro-1-azocinyl)-ethyl guanidine, used to reduce blood pressure.

A white crystalline compound, C8H8F3N3O4S2, analogous to hydrochlorothiazide and having similar effects and uses.

Any of a class of drugs derived from 1,2,4-benzothiadiazine-1,1-dioxide that increase the excretion of sodium and chloride and are used as diuretics…

A monoamine oxidase inhibitor, used as an antidepressant and (originally) in the treatment of angina (withdrawn because of toxicity).

A monoamine oxidase inhibitor synthesized from propargyl bromide and benzylmethylamine, (formerly) used to treat depression and hypertension; N-me…

A substance having this effect.

any of a class of drugs that prevent the activation of alpha receptors, used esp. to treat hypertension and to improve urinary flow in prostatic…

A drug that acts as an alpha2-adrenoreceptor agonist, used in the treatment of hypertension, opiate withdrawal, and a variety of other conditions.

An alpha blocker used chiefly as a smooth muscle relaxant, esp. in the treatment of hypertension and benign prostatic hyperplasia.

A β-adrenergic blocking agent used in the treatment of hypertension; (−)-1-tert-butylamino-3-(4-morpholino-1, 2, 5-thiadiazol-3-yloxy)-propan-2-ol…