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Urinary Tract Infection (UTI In Adults) »
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Adverse effects of UREX (methenamine hippurate) have been reported in fewer than 3.5% of patients treated.
These reactions have included the following, in decreasing order of frequency: nausea, vomiting, and rarely puritus, rash, dysuria.
Children have received UREX (methenamine hippurate) at the recommended dosages as a prophylactic/suppressive regimen after initial treatment of acute episodes of pyuria. Side effects were encountered in only 1.1% of these children.
The concomitant administration of methenamine hippurate and sulfamethizole or sulfathiazole is liable to result in formation of a precipitate in the urine.
Drug/Laboratory Test Interactions. Methenamine causes spuriously elevated urinary 17- hydroxycorticosteroid and catecholamine levels.
Last reviewed on RxList: 3/28/2008
This monograph has been modified to include the generic and brand name in many instances.
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