Methenamine Dosage

Generic name: methenamine
Brand names: Hiprex, Mandelamine, Urex
Drug class: Urinary anti-infectives

Medically reviewed by  A Ras MD.

Recommended Adult Dosing

Dosage forms:  TAB: 1 g

UTI prophylaxis/suppression

[1 g PO bid]

Info: for frequently recurring UTIs if long-term tx needed; urinary acidification may be necessary

Renal dosing

renal impairment: contraindicated

HD/PD: not defined

Hepatic dosing

severe impairment: contraindicated

SRC: NLM .