HIPREX (methenamine hippurate tablets USP) is contraindicated in patients with renal insufficiency, severe hepatic insufficiency, or severe dehydration. Methenamine preparations should not be given to patients taking sulfonamides because some sulfonamides may form an insoluble precipitate with formaldehyde in the urine.
Last reviewed on RxList: 8/14/2008
This monograph has been modified to include the generic and brand name in many instances.
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