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a hypothetical radical, NH4, forming salts analogous to those of the alkaline metals.
ammonium carbonate a mixture of ammonium compounds used as a liquefying expectorant in the treatment of chronic bronchitis and similar lung disorders. It is sometimes used as a reflex stimulant in “smelling salts” because of the strong ammonia odor it gives off.
ammonium chloride colorless or white crystals, with a cool, salty taste, used as an expectorant because it liquefies bronchial secretions. In the body it is changed to urea and hydrochloric acid, and thus is useful in acidifying the urine and increasing the rate of urine flow. Excessive dosage may produce acidosis.
ammonium lactate lactic acid neutralized with ammonium hydroxide, applied topically in the treatment of ichthyosis vulgaris and xerosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
a stimulant expectorant and cholagogue; used to relieve alkalosis and to promote lead excretion; a urinary acidifier.
Synonym(s): sal ammoniac
Farlex Partner Medical Dictionary © Farlex 2012
A slightly hygroscopic, white crystalline compound, NH4Cl, used in dry cells, as a soldering flux, and as an expectorant. Also called sal ammoniac.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
am·mo·ni·um chlo·ride(ă-mōnē-ŭm klōrīd)
Stimulant expectorant and cholagogue; used to relieve alkalosis and promote lead excretion and acidify urine.
Medical Dictionary for the Dental Professions © Farlex 2012