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Generic Name: Phosphasal ()

Phosphasal Reviews

For Urinary Tract Infection "I was having recurring urinary tract infections and my doctor suggested me taking this medication which I loved and they really helped as I did not get any infections at all for the length of time I was on them. After 4 months my insurance is now refusing to pay for them any longer and I am afraid my infections will start up again."


For Urinary Tract Infection "The Methenamine contained in Phosphasal and drugs with the exact same ingredients, contains formaldehyde. My urologist put me on this for bladder pain. I discovered this because after googling it I realized that the FDA does not approve this drug, nor drugs similar to it, and I wondered why My urologist put me on this for bladder pain. . I am concerned… Should I be?"

More about Phosphasal (hyoscyamine / methenamine / methylene blue / phenyl salicylate / sodium biphosphate)

  • Check interactions
  • Compare alternatives
  • Reviews (2)
  • Drug images
  • Side effects
  • Dosage information
  • Drug class: urinary antispasmodics
  • En español

Patient resources

  • Phosphasal drug information
  • Phosphasal (Advanced Reading)

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Professional resources

  • Phosphasal prescribing information

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Related treatment guides

  • Urinary Tract Infection