PHENAZOPYRIDINE HYDROCHLORIDE- phenazopyridine tablet
Phenazopyridine Hydrochloride by
Drug Labeling and Warnings
Phenazopyridine Hydrochloride by is a Prescription medication manufactured, distributed, or labeled by REMEDYREPACK INC.. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
- SPL UNCLASSIFIED SECTION
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DESCRIPTION
Phenazopyridine Hydrochloride, USP 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:
C 11H 11N 5HCl M.W. 249.70
Phenazopyridine HCl tablets, USP contain the following inactive ingredients: carnauba wax, croscarmellose sodium, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, pregelatinized starch.
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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.
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INDICATIONS AND USAGE
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).
- CONTRAINDICATIONS
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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 OVERDOSAGE section).
To report SUSPECTED ADVERSE REACTIONS, contact Amneal Pharmaceuticals at 1-877-835-5472 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
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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.
Carcinogenicity, Mutagenicity, 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
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.
- DOSAGE AND ADMINISTRATION
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OVERDOSAGE
Exceeding the recommended dose in patients with good renal function or administering the usual dose to patients with impaired renal function (common in elderly patients) may lead to increased serum levels and toxic reactions. Methemoglobinemia generally follows a massive, acute overdose. Methylene blue, 1 to 2 mg/kg/body weight intravenously or ascorbic acid 100 to 200 mg given orally should cause prompt reduction of the methemoglobinemia and disappearance of the cyanosis which is an aid in diagnosis. Oxidative Heinz body hemolytic anemia may also occur, and “bite cells” (degmacytes) may be present in a chronic overdosage situation. Red blood cell G-6-PD deficiency may predispose to hemolysis. Renal and hepatic impairment and occasional failure, usually due to hypersensitivity, may also occur.
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HOW SUPPLIED
Phenazopyridine HCl tablets, USP 100 mg are available as deep brown to maroon colored, round, film-coated tablets debossed “PY” above “1” on one side and plain on the other.
They are supplied as follows:
NDC: 70518-3443-00
NDC: 70518-3443-01
NDC: 70518-3443-02
NDC: 70518-3443-03
PACKAGING: 30 in 1 BLISTER PACK
PACKAGING: 12 in 1 BOTTLE PLASTIC
PACKAGING: 10 in 1 BOTTLE PLASTIC
PACKAGING: 6 in 1 BOTTLE PLASTIC
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); excursions permitted between15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].
Repackaged and Distributed By:
Remedy Repack, Inc.
625 Kolter Dr. Suite #4 Indiana, PA 1-724-465-8762
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PRINCIPAL DISPLAY PANEL
DRUG: Phenazopyridine Hydrochloride
GENERIC: Phenazopyridine
DOSAGE: TABLET
ADMINSTRATION: ORAL
NDC: 70518-3443-0
NDC: 70518-3443-1
NDC: 70518-3443-2
NDC: 70518-3443-3
COLOR: brown
SHAPE: ROUND
SCORE: No score
SIZE: 10 mm
IMPRINT: PY;1
PACKAGING: 30 in 1 BLISTER PACK
PACKAGING: 12 in 1 BOTTLE PLASTIC
PACKAGING: 10 in 1 BOTTLE PLASTIC
PACKAGING: 6 in 1 BOTTLE PLASTIC
ACTIVE INGREDIENT(S):
- PHENAZOPYRIDINE HYDROCHLORIDE 100mg in 1
INACTIVE INGREDIENT(S):
- CARNAUBA WAX
- CROSCARMELLOSE SODIUM
- HYPROMELLOSES
- MAGNESIUM STEARATE
- CELLULOSE, MICROCRYSTALLINE
- POLYETHYLENE GLYCOL 1000
- POVIDONE
- STARCH, CORN
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INGREDIENTS AND APPEARANCE
PHENAZOPYRIDINE HYDROCHLORIDE
phenazopyridine tabletProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 70518-3443(NDC:65162-681) Route of Administration ORAL Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength PHENAZOPYRIDINE HYDROCHLORIDE (UNII: 0EWG668W17) (PHENAZOPYRIDINE - UNII:K2J09EMJ52) PHENAZOPYRIDINE HYDROCHLORIDE 100 mg Inactive Ingredients Ingredient Name Strength CARNAUBA WAX (UNII: R12CBM0EIZ) CROSCARMELLOSE SODIUM (UNII: M28OL1HH48) HYPROMELLOSES (UNII: 3NXW29V3WO) MAGNESIUM STEARATE (UNII: 70097M6I30) CELLULOSE, MICROCRYSTALLINE (UNII: OP1R32D61U) POLYETHYLENE GLYCOL 1000 (UNII: U076Q6Q621) POVIDONE (UNII: FZ989GH94E) STARCH, CORN (UNII: O8232NY3SJ) Product Characteristics Color brown (MAROON) Score no score Shape ROUND Size 10mm Flavor Imprint Code PY;1 Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 70518-3443-0 30 in 1 BLISTER PACK; Type 0: Not a Combination Product 06/28/2022 12/14/2023 2 NDC: 70518-3443-1 12 in 1 BOTTLE, PLASTIC; Type 0: Not a Combination Product 05/25/2023 3 NDC: 70518-3443-2 10 in 1 BOTTLE, PLASTIC; Type 0: Not a Combination Product 08/15/2023 4 NDC: 70518-3443-3 6 in 1 BOTTLE, PLASTIC; Type 0: Not a Combination Product 08/23/2023 Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date unapproved drug other 06/28/2022 Labeler - REMEDYREPACK INC. (829572556)
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