Drug interactions with methenamine-sodium phosphate oral and sulfisoxazole oral

methenamine-sodium phosphate oral brand names and other generic formulations include:

Uro-Phosphate Oral

All generic drug interactions for methenamine-sodium phosphate oral (lists will include brand and generic names):

sulfisoxazole oral brand names and other generic formulations include:

Cheragan Oral, D-Sulfa Oral, Gulfasin Oral, J-Azo Oral, Sk-Soxazole Oral, Soxa Oral, Sulfagan Oral, Sulfasox Oral, Sulfizin Oral, Unisul Oral, Velmatrol Oral, V-Sul Oral

All generic drug interactions for sulfisoxazole oral (lists will include brand and generic names):
Serious - Use AlternativePotential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed

methenamine-sodium phosphate oral and sulfisoxazole oral

methenamine-sodium phosphate oral , sulfisoxazole oral Other mechanism. The effect of both drugs is decreased.

Patient Drug Interactions Source: RxList
© 2023 RxList, Inc.
Serious - Use AlternativeContraindicated.

methenamine-sodium phosphate oral and sulfisoxazole oral

methenamine-sodium phosphate oral , sulfisoxazole oral Other (see comment). This combination may form an insoluble precipitate in the urine, decreasing the effects of both agents.

Clinical Drug Interactions Source: Medscape from WebMD
© 1994-2023 WebMD, LLC.

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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

Disclaimer: The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided here is for informational purposes only. This tool may not cover all possible drug interactions. Please check with a physician if you have health questions or concerns. Although we attempt to provide accurate and up-to-date information, no guarantee is made to that effect.

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