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Adverse effects of UREX (methenamine hippurate) have been reported in fewer than 3.5% of patients treated.
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.
Read the Urex (methenamine hippurate) Side Effects Center for a complete guide to possible side effects
The concomitant administration of methenamine hippurate and sulfamethizole or sulfathiazole is liable to result in formation of a precipitate in the urine.
Last reviewed on RxList: 3/28/2008
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