Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to methenamine: methylamine, methenamine mandelate, methenamine silver stain
a urinary antiseptic, administered orally as the hippurate and mandelate salts.
A condensation product obtained by the action of ammonia on formaldehyde; in acidic urine, it decomposes to yield formaldehyde, a urinary antiseptic.
methenamine/meth·en·amine/ (meth″en-am´in) an antibacterial used in urinary tract infections; administered as the hippurate and mandelate salts.
An organic compound, C6H12N4, used as a urinary tract antiseptic, in the manufacture of explosives, and in rubber vulcanizing. Also called hexamethylenetetramine.
a urinary antibacterial.
indication It is prescribed in the treatment of urinary tract infections.
contraindications Liver or kidney dysfunction or known hypersensitivity to this drug or to mandelic acid prohibits its use. It should not be used by patients receiving sulfonamides.
adverse effects Among the most serious adverse effects are severe GI disturbances and rashes.
methenamineA disinfectant once used as an oral urinary tract antiseptic; in acid urine, methenamine decomposes, generating formaldehyde, which is toxic to urinary tract bacteria.
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.