Clinical Pharmacology Details


Phenazopyridine


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Indications & Dose:

Symptomatic relief of urinary burning, itching, frequency, and urgency associated with UT1, or following urologic procedures
DOSAGE


Adult:  PO 100-200 mg tid after meals; do not exceed 2 days when used concomitantly with antibacterial agents for UTI


Child: • P0 12 mg/kg/day divided tid after meals 

Contraindications:

 Renal insufficiency

Side Effects:

CNS: Headache
EENT: Staining of contact lenses, yellowish tinge of sclera
GL: GI disturbances, hepatitis, jaundice


GU: Orange-red discoloration of urine, renal stones,transient acute renal failure
HEME: Hemolytic anemia, methemoglobinemia
SKIN: Pruritus, rash, yellowish tinge of skin
MISC: Anaphylactoid-like reaction


PATIENT/FAMILY EDUCATION


May cause GI upset


• Take after meals


• May cause reddish-orange discoloration of urine; may stain fabric; may also stain contact lenses 


 

Cautions:

Precautions:

Chronic or prolonged use in undiagnosed urinary tract pain may lead to delay in appropriate therapy~ children <12 yr

Interaction:

Warnings:

Adverse Effects:

Lactations:

Pregnancy category B 

Special Precautions:

Counselling:

Side Effects Or Adverse Reactions:

Patient And Carer Advice: