WHAT ARE THE SIDE EFFECTS OF HIPREX® (methenamine hippurate tablets USP)?
Tell your doctor immediately if any of these serious side effects occur:
- an allergic reaction (shortness of breath; closing of the throat; swelling of the lips, face, or tongue; or hives
- lower back or side pain
- blood in urine
- increasingly painful or difficult urination
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction.
In addition, tell your doctor immediately if you have any of the following symptoms:
- abdominal cramps
- loss of appetite
You may experience painful or difficult urination when you are taking Hiprex. Report these side effects to your doctor, who may need to lower your dose of Hiprex or change your treatment to make your urine less acidic.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Taking higher than recommended doses of Hiprex may cause bladder irritation, painful/frequent urination, and bloody/pink urine. Tell your doctor right away if you have any of these symptoms.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to Validus Pharmaceuticals LLC at 1-866-982-5438 (1-866-9VALIDUS).
Seek emergency medical attention or call the Poison Help Line at 1-800-222-1222.