Pharmacologic Substance
methenamine
[ me-thee-nuh-meen, -min ]
Brand Names:
Azo Urinary Tract Defense; Cystex; Hiprex; Hyophen; Phosphasal; Prosed DS; Urelle; Uretron DS; Urex; Uribel; Urimar Reformulated Oct 2013; Urin DS; Uro-Blue; Urogesic Blue Reformulated Apr 2012; Uroqid-Acid No.2; Ustell; UTA Capsule Reformulated Feb 2016; Utira
Effect:
Cellular Activity Alteration
May Prevent:
Urinary Tract Infections
May Treat:
Bacteriuria; Cystitis; Escherichia coli Infections; Staphylococcal Infections
More Information:
ChemID; DrugBank; DailyMed; PDR
Definitions related to methenamine:
  • A heterocyclic organic compound with antibiotic activity. In the body methenamine is converted to formaldehyde, a nonspecific bactericidal agent. Methenamine is typically used long-term to treat chronic urinary tract infections and to prevent the recurrence of infections.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • An anti-infective agent most commonly used in the treatment of urinary tract infections. Its anti-infective action derives from the slow release of formaldehyde by hydrolysis at acidic pH. (From Martindale, The Extra Pharmacopoeia, 30th ed, p173)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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