
methenamine-sodium phosphate oral brand names and other generic formulations include:
Uro-Phosphate Oral
erythromycin-sulfisoxazole oral brand names and other generic formulations include:
Ery-Sulf Oral, Erythro-Sul Ped Oral, Eryzole Oral, Pediagen Oral, Pediazole Oral, Sulfimycin Oral
methenamine-sodium phosphate oral and erythromycin-sulfisoxazole oral
methenamine-sodium phosphate oral , erythromycin-sulfisoxazole oral Other mechanism. The effect of both drugs is decreased.
methenamine-sodium phosphate oral and erythromycin-sulfisoxazole oral
methenamine-sodium phosphate oral , erythromycin-sulfisoxazole oral 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