Active substance

Methenamine, Sodium Phosphate, Monobasic, Monohydrate, Phenyl Salicylate, Methylene Blue, and Hyoscyamine Sulfate

2 products from 1 companies contain this in United States.

2 prescription onlyCapsule

Prescription only

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.