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A urinary antiseptic that derives its activity from the release of formaldehyde.
See also: methenamine
a white crystalline powder used orally as a urinary antiseptic; in acidic urine it is hydrolyzed to formaldehyde and ammonia. Called also hexamine.
hexamine combined with hippuric acid.
a salt of hexamine and mandelic acid, used in infections of the urinary tract.