phenazopyridine, Baridium, Pyridium, Urinary Pain Relief

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Charles Patrick Davis, MD, PhD
    Charles Patrick Davis, MD, PhD

    Charles Patrick Davis, MD, PhD

    Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

What is the dosage for phenazopyridine-oral?

The usual recommended adult dose of phenazopyridine is 100 to 200 mg three times daily after meals. Treatment should not exceed 2 days when used in-combination with an antibacterial agent. The maximum daily dose for adults is 600 mg.

Dose adjustment may be required for patients who have kidney disease. Phenazopyridine should not be used in patients whose creatinine clearance is less than 50 ml/min. Phenazopyridine should be administered every 8-16 hours in patients whose creatinine clearance is between 50-80 ml/min.

The usual recommended dose for children and adolescents is 4 mg/kg orally three times daily after meals. The child's pediatric doctor should calculate the dose. Treatment should not exceed 2 days when used in-combination with an antibacterial agent.

Which drugs or supplements interact with phenazopyridine-oral?

: No clinical significant drug interactions have been reported with phenazopyridine use.

Medically Reviewed by a Doctor on 8/1/2016

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