FDA records indicate that there are no current recalls for this drug.
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Questions & Answers
Side Effects & Adverse Reactions
There is currently no warning information available for this product. We apologize for any inconvenience.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Pentoxifylline extended-release tablets, USP are indicated for the treatment of patients with intermittent claudication on the basis of chronic occlusive arterial disease of the limbs. Pentoxifylline extended-release tablets can improve function and symptoms but is not intended to replace more definitive therapy, such as surgical bypass, or removal of arterial obstructions when treating peripheral vascular disease.
History
There is currently no drug history available for this drug.
Other Information
Each extended-release tablet, for oral administration, contains 400 mg of pentoxifylline, USP and the following inactive ingredients: D&C Red No. 30 Aluminum Lake, FD&C Blue No. 2 Aluminum Lake, FD&C Yellow No. 6 Aluminum Lake, hydroxyethyl cellulose, hypromellose, magnesium stearate, microcrystalline cellulose, polydextrose, polyethylene glycol, povidone, titanium dioxide and triacetin in an extended-release formulation. Pentoxifylline is a tri-substituted xanthine derivative designated chemically as 1-(5-oxohexyl)-3,7-dimethylxanthine that, unlike theophylline, is a hemorrheologic agent, i.e. an agent that affects blood viscosity. Pentoxifylline is soluble in water and ethanol, and sparingly soluble in toluene.
The structural formula is:
C13H18N4O3 M.W. 278.31
Meets USP Dissolution Test 6..
Sources
Matzim La Manufacturers
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Watson Pharma, Inc.
Matzim La | Mylan Pharmaceuticals Inc.
The usual dosage of pentoxifylline in extended-release tablet form is one tablet (400 mg) three times a day with meals.
While the effect of pentoxifylline extended-release tablets may be seen within 2 to 4 weeks, it is recommended that treatment be continued for at least 8 weeks. Efficacy has been demonstrated in double-blind clinical studies of 6 months duration.
Digestive and central nervous system side effects are dose related. If patients develop these effects it is recommended that the dosage be lowered to one tablet twice a day (800 mg/day). If side effects persist at this lower dosage, the administration of pentoxifylline extended-release tablets should be discontinued.
In patients with severe renal impairment (creatinine clearance below 30 mL/min) reduce dose to 400 mg once a day.
Dosing information cannot be provided for patients with hepatic impairment.
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