Document

DailyMed Label: Phenazopyridine Hydrochloride

Title
DailyMed Label: Phenazopyridine Hydrochloride
Date
2024
Document type
DailyMed Prescription
Name
Phenazopyridine Hydrochloride
Generic name
Phenazopyridine
Manufacturer
Bryant Ranch Prepack
Product information
NDC: 63629-8986
Product information
NDC: 63629-8986
Product information
NDC: 63629-8986
Product information
NDC: 63629-8986
Description
Phenazopyridine Hydrochloride is light or dark red to dark violet, odorless, slightly bitter, crystalline powder. It has a specific local analgesic effect in the urinary tract, promptly relieving burning and pain. It has the following structural formula: Inactive Ingredients: Corn Starch, Croscarmellose Sodium, D&C Yellow #10 Aluminum Lake, FD&C Red #40 Aluminum Lake, FD&C Blue #1 Aluminum Lake, FD&C Yellow #6 Aluminum Lake, Microcrystalline Cellulose, Magnesium Stearate, Povidone, Polyvinyl Alcohol, Polyethylene Glycol, Pregelatinized Starch, Silicon Dioxide, Talc, and Titanium Dioxide.
Indications
Phenazopyridine HCl is indicated for the symptomatic relief of pain, burning, urgency, frequency, and other discomforts arising from irritation of the lower urinary tract mucosa caused by infection, trauma, surgery, endoscopic procedures, or the passage of sounds or catheters. The use of Phenazopyridine HCl for relief of symptoms should not delay definitive diagnosis and treatment of causative conditions. Because it provides only symptomatic relief, prompt appropriate treatment of the cause of pain must be instituted and Phenazopyridine HCl should be discontinued when symptoms are controlled. The analgesic action may reduce or eliminate the need for systemic analgesics or narcotics. It is, however, compatible with antibacterial therapy and can help to relieve pain and discomfort during the interval before antibacterial therapy controls the infection. Treatment of a urinary tract infection with Phenazopyridine HCl should not exceed 2 days because there is a lack of evidence that the combined administration of Phenazopyridine HCl and an antibacterial provides greater benefit than administration of the antibacterial alone after 2 days. (See DOSAGE AND ADMINISTRATION section.)
Dosage
100 mg Tablets: Average adult dosage is two tablets 3 times a day after meals. 200 mg Tablets: Average adult dosage is one tablet 3 times a day after meals. When used concomitantly with an antibacterial agent for the treatment of a urinary tract infection, the administration of Phenazopyridine HCl should not exceed 2 days.
Contraindications
Phenazopyridine HCl should not be used in patients who have previously exhibited hypersensitivity to it. The use of Phenazopyridine HCl is contraindicated in patients with renal insufficiency.
Precautions
General: A yellowish tinge of the skin or sclera may indicate accumulation due to impaired renal excretion and the need to discontinue therapy. The decline in renal function associated with advanced age should be kept in mind. NOTE: Patients should be informed that Phenazopyridine HCl produces a reddish-orange discoloration of the urine and may stain fabric. Staining of contact lenses has been reported. Laboratory Test Interaction: Due to its properties as an azo dye, Phenazopyridine HCl may interfere with urinalysis based on spectrometry or color reactions. Carcinogenesis, Mutagenesis, Impairment of Fertility: Long-term administration of Phenazopyridine HCl has induced neoplasia in rats (large intestine) and mice (liver). Although no association between Phenazopyridine HCl and human neoplasia has been reported, adequate epidemiological studies along these lines have not been conducted. Pregnancy Category B: Reproduction studies have been performed in rats at doses up to 50 mg/kg/day and have revealed no evidence of impaired fertility or harm to the fetus due to Phenazopyridine HCl. There are, however, no adequate and well controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed. Nursing mothers: No information is available on the appearance of Phenazopyridine HCl, or its metabolites in human milk.
Adverse reactions
Headache, rash, pruritus and occasional gastrointestinal disturbance. An anaphylactoid-like reaction has been described. Methemoglobinemia, hemolytic anemia, renal and hepatic toxicity have been reported, usually at overdosage levels (see
How supplied
200 mg Tablets: Supplied in bottles of 10ct - (NDC: 63629-8986-1) Appearance: Reddish-brown, round, film coated tablets debossed “612” on one side and plain on the other. DISPENSE contents with a child-resistant closure (as required) and in a tight container as defined in the USP. STORE at 20° to 25°C (68° to 77°F) with excursions permitted to 15° to 30°C (59° to 86°F) [See USP Controlled Room Temperature]. Repackaged/Relabeled by: Bryant Ranch Prepack, Inc. Burbank, CA 91504
Clinical pharmacology
Phenazopyridine HCl is excreted in the urine where it exerts a topical analgesic effect on the mucosa of the urinary tract. This action helps to relieve pain, burning, urgency and frequency. The precise mechanism of action is not known. The pharmacokinetic properties of Phenazopyridine HCl have not been determined. Phenazopyridine HCl is rapidly excreted by the kidneys, with as much as 66% of an oral dose being excreted unchanged in the urine.
Package label
Phenazopyridine HCL 200 mg Label

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