Information
Methenamine is a urinary tract antiseptic and antibacterial drug used for the prophylaxis and treatment of frequently recurring urinary tract infections requiring a long-term therapy. Methenamine does not have antibacterial properties in an alkaline environment (pH≥6); however, in a more acidic environment (pH<6), methenamine is hydrolysed to formaldehyde. (1) Formaldehyde is considered to be highly bactericidal.
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