Acetazolamide may prevent the urinary antiseptic effect of methenamine.
Source: NLP:acetazolamide
Methenamine Salts Interactions
5 interactions on record
Acetazolamide may prevent the urinary antiseptic effect of methenamine.
Source: NLP:acetazolamide extended-release
Urinary acidifying agent that lowers blood levels and efficacy of amphetamines. Dose adjustment may be needed based on clinical response.
Source: NLP:dextroamphetamine saccharate, amphetamine aspartate, dextroamphetamine sulfate and amphetamine sulfate
Urinary acidifying agent that lowers blood levels and efficacy of amphetamines. Dose adjustment may be needed based on clinical response.
Source: NLP:dextroamphetamine sulfate
Methenamine Salts + MetolazoneModerate
Efficacy may be decreased due to urinary alkalizing effect of metolazone.
Source: NLP:metolazone