
methenamine-sodium phosphate oral brand names and other generic formulations include:
Uro-Phosphate Oral
sulfadiazine brand names and other generic formulations include:
No brand names available
methenamine-sodium phosphate oral and sulfadiazine
methenamine-sodium phosphate oral , sulfadiazine Other mechanism. The effect of both drugs is decreased.
methenamine-sodium phosphate oral and sulfadiazine
methenamine-sodium phosphate oral , sulfadiazine Other (see comment). This combination may form an insoluble precipitate in the urine, decreasing the effects of both agents.
Check for more interactions with the Drug Interaction Checker
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