
methenamine-sodium phosphate oral brand names and other generic formulations include:
Uro-Phosphate Oral
sulfadiazine oral brand names and other generic formulations include:
Microsulfon Oral
methenamine-sodium phosphate oral and sulfadiazine oral
methenamine-sodium phosphate oral , sulfadiazine oral Other mechanism. The effect of both drugs is decreased.
methenamine-sodium phosphate oral and sulfadiazine oral
methenamine-sodium phosphate oral , sulfadiazine oral Other (see comment). This combination may form an insoluble precipitate in the urine, decreasing the effects of both agents.
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Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant