Definition of methenamine
: hexamethylenetetramine especially when used in the form of an organic salt to treat urinary tract infections
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Origin and Etymology of methenamine
methene (methylene) + amine
Medical Dictionary
medical Definition of methenamine
: a crystalline compound used in the form of its mandelate C6H12N4·C8H8O3 or hippurate C6H12N4·C9H9NO3 as a urinary antiseptic especially to treat bacteriuria associated with cystitis and pyelitis — called also
hexamethylenetetramine, hexamine; see mandelamine
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