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Unisom is the Chattem brand name for an over-the-counter sleep-aid medication. While marketed under a single trademark, the active ingredient may be one of two drugs, depending on the type of preparation. Doxylamine succinate is sold in 25 mg dosages as tablets, and diphenhydramine hydrochloride is sold in a liquid/gelatin preparation in dosages of 50 mg.
Additional recommended knowledge
On January 2, 2007 Chattem, Inc. acquired five over-the-counter name brands from Johnson & Johnson, including Unisom. The Unisom brand was acquired by Johnson & Johnson in 2006 from Pfizer Consumer Healthcare. 
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Unisom". A list of authors is available in Wikipedia.|