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Flavoxate

Generic Name: Flavoxate hydrochloride
Dosage Form: tablet

Flavoxate Hydrochloride Tablets 100 mg, Film-Coated
Rx only

Flavoxate Description

Flavoxate hydrochloride tablets contain Flavoxate hydrochloride, a synthetic urinary tract spasmolytic.

Chemically, Flavoxate hydrochloride is 2-piperidinoethyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate hydrochloride. The empirical formula of Flavoxate hydrochloride is C24H25NO4•HCl. The molecular weight is 427.94. The structural formula appears below.

Slideshow: How to Manage Your Overactive Bladder

Figure 1

Each tablet for oral administration contains 100 mg Flavoxate hydrochloride. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, corn starch, dibasic calcium phosphate dihydrate, hypromellose, polydextrose, magnesium stearate, titanium dioxide and triacetin.

Flavoxate - Clinical Pharmacology

Flavoxate hydrochloride counteracts smooth muscle spasm of the urinary tract and exerts its effect directly on the muscle.

In a single study of 11 normal male subjects, the time to onset of action was 55 minutes. The peak effect was observed at 112 minutes. 57% of the Flavoxate hydrochloride was excreted in the urine within 24 hours.

Indications and Usage for Flavoxate

Flavoxate hydrochloride tablets are indicated for symptomatic relief of dysuria, urgency, nocturia, suprapubic pain, frequency and incontinence as may occur in cystitis, prostatitis, urethritis, urethrocystitis/urethrotrigonitis. Flavoxate hydrochloride tablets are not indicated for definitive treatment, but are compatible with drugs used for the treatment of urinary tract infections.

Contraindications

Flavoxate hydrochloride is contraindicated in patients who have any of the following obstructive conditions: pyloric or duodenal obstruction, obstructive intestinal lesions or ileus, achalasia, gastrointestinal hemorrhage and obstructive uropathies of the lower urinary tract.

Warnings

Flavoxate hydrochloride should be given cautiously in patients with suspected glaucoma.

Precautions

Information for Patients

Patients should be informed that if drowsiness and blurred vision occur, they should not operate a motor vehicle or machinery or participate in activities where alertness is required.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Mutagenicity studies and long-term studies in animals to determine the carcinogenic potential of Flavoxate hydrochloride have not been performed.

Pregnancy

Teratogenic Effects-Pregnancy Category B.

Reproduction studies have been performed in rats and rabbits at doses up to 34 times the human dose and revealed no evidence of impaired fertility or harm to the fetus due to Flavoxate hydrochloride. There are, however, no 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

It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Flavoxate hydrochloride is administered to a nursing woman.

Pediatric Use

Safety and effectiveness in children below the age of 12 years have not been established.

Adverse Reactions

The following adverse reactions have been observed, but there are not enough data to support an estimate of their frequency.

Gastrointestinal: Nausea, vomiting, dry mouth.

CNS: Vertigo, headache, mental confusion, especially in the elderly, drowsiness, nervousness.

Hematologic: Leukopenia (one case which was reversible upon discontinuation of the drug).

Cardiovascular: Tachycardia and palpitation.

Allergic: Urticaria and other dermatoses, eosinophilia and hyperpyrexia.

Ophthalmic: Increased ocular tension, blurred vision, disturbance in eye accommodation.

Renal: Dysuria.

Overdosage

The oral LD50 for Flavoxate hydrochloride in rats is 4273 mg/kg. The oral LD50 for Flavoxate hydrochloride in mice is 1837 mg/kg.

It is not known whether Flavoxate hydrochloride is dialyzable.

Flavoxate Dosage and Administration

Adults and children over 12 years of age

One or two 100 mg tablets 3 or 4 times a day. With improvement of symptoms, the dose may be reduced. This drug cannot be recommended for infants and children under 12 years of age because safety and efficacy have not been demonstrated in this age group.

How is Flavoxate Supplied

Flavoxate hydrochloride 100 mg tablets are available as white, round biconvex, film-coated tablets, debossed “Є 58” on one side and plain on the other side.

Store at 20° - 25°C (68° - 77°F) [see USP Controlled Room Temperature].
NDC 50268-324-15

10 tablets per card, 5 cards per carton

Dispensed in a blister punch material for Institutional Use Only.

Manufactured for:

AvPAK
A Product of AvKARE
Pulaski, TN 38478

Mfg. Iss. 01/11
AV. Rev. 12/12 ( P)

PACKAGE/LABEL PRINCIPAL DISPLAY PANEL

NDC 50268-324-15
Flavoxate Hydrochloride Tablets
100 mg

Rx Only
50 Tablets (5 X 10) Unit Dose

5026832415

NDC 50268-324-15
Flavoxate Hydrochloride Tablets
100 mg

Rx Only
50 Tablets (5 X 10) Unit Dose

5026832415

Each film-coated tablet contains:
Flavoxate Hydrochloride...............................100 mg

USUAL DOSAGE: See accompanying literature for complete prescribing information.

Store at 20o-25oC (68o-77oF) [see USP Controlled Room Temperature.]

KEEP THIS AND ALL MEDICATION OUT OF THE REACH OF CHILDREN.

Manufactured for:
AvKARE, Inc.
Pulaski, TN 38478

AvPAK
A PRODUCT OF AvKARE

Mfg. Iss. 08/10           AV 12/12 (P)

Flavoxate HYDROCHLORIDE  
Flavoxate hydrochloride tablet
Product Information
Product Type HUMAN PRESCRIPTION DRUG LABEL Item Code (Source) NDC:50268-324(NDC:42806-058)
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
Flavoxate HYDROCHLORIDE (Flavoxate) Flavoxate HYDROCHLORIDE 100 mg
Inactive Ingredients
Ingredient Name Strength
DIBASIC CALCIUM PHOSPHATE DIHYDRATE  
STARCH, CORN  
SILICON DIOXIDE  
MAGNESIUM STEARATE  
TITANIUM DIOXIDE  
POLYDEXTROSE  
HYPROMELLOSE PHTHALATE (24% PHTHALATE, 55 CST)  
TRIACETIN  
Product Characteristics
Color WHITE Score no score
Shape ROUND Size 11mm
Flavor Imprint Code E58
Contains         
Packaging
# Item Code Package Description
1 NDC:50268-324-15 50 TABLET in 1 BOTTLE, UNIT-DOSE
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANDA ANDA076835 11/30/2012
Labeler - AvPAK (832926666)
Revised: 11/2012
 
AvPAK
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