Part Two of Pyridium Information, Focusing on Side Effects, Discontinuation or Withdrawal Effects, and Additional Information

This second section of our medication database entry focuses on potential side effects, withdrawal or discontinuation effects, and additional information, while part one covers basic drug characteristics, uses and benefits.

What are the possible side effects of phenazopyridine?

  • If you experience any of the following serious side effects, stop taking phenazopyridine and contact your doctor or seek emergency medication attention:
    • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); or
    • yellowing of the skin or eyes.
  • Other less serious side effect may be more likely to occur. Talk to your doctor if you experience:
    • headache;
    • rash or itching;
    • stomach upset; or
    • orange-red color of the urine.
  • Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect phenazopyridine?

  • There are no known interactions between phenazopyridine and other medications. Talk to your doctor and pharmacist before taking other prescription or over-the-counter medications, including herbal products, during treatment with phenazopyridine.

Where can I get more information?

  • Your pharmacist has additional information about phenazopyridine written for health professionals that you may read.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Limitations and the Source of Our Online Medication Information Database

Although we have made considerable efforts to ensure that the information provided here is accurate, up-to-date, and complete, MedLibrary.org makes no guarantee to that effect. Drug information contained herein may be time sensitive. This medication information does not endorse drugs, diagnose patients or recommend any specific pharmacotherapy. This is an educational resource only -- intended to supplement but not to replace the expertise, skill, knowledge and judgment of medically qualified healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, please check with your doctor, nurse or local pharmacist. MedLibrary.org does not assume any responsibility for any aspect of healthcare administered with the aid of information provided here.

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Version: 1.02. Revision Date: 2/14/03.