Parafon Dsc
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Questions & Answers
Side Effects & Adverse Reactions
Serious (including fatal) hepatocellular toxicity has been reported rarely in patients receiving chlorzoxazone. The mechanism is unknown but appears to be idiosyncratic and unpredictable. Factors predisposing patients to this rare event are not known. Patients should be instructed to report early signs and/or symptoms of hepatotoxicity such as fever, rash, anorexia, nausea, vomiting, fatigue, right upper quadrant pain, dark urine, or jaundice. Chlorzoxazone should be discontinued immediately and a physician consulted if any of these signs or symptoms develop. Chlorzoxazone use should also be discontinued if a patient develops abnormal liver enzymes (e.g. AST, ALT, alkaline phosphatase and bilirubin).
The concomitant use of alcohol or other central nervous system depressants may have an additive effect.
The safe use of chlorzoxazone has not been established with respect to the possible adverse effects upon fetal development. Therefore, it should be used in women of childbearing potential only when, in the judgment of the physician, the potential benefits outweigh the possible risks.
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
Chlorzoxazone tablets are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Chlorzoxazone does not directly relax tense skeletal muscles in man.
History
There is currently no drug history available for this drug.
Other Information
Each caplet (round shaped tablet) contains:
Chlorzoxazone 500 mg
Inactive ingredients: Colloidal Silicon Dioxide, Croscarmellose Sodium, docusate Sodium, lactose anhydrous, magnesium stearate, microcrystalline cellulose, sodium benzoate, D&C yellow No. 10 alum. Lake, FD&C blue no. 1 alum. Lake HT
Sources
Parafon Dsc Manufacturers
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Keltman Pharmaceuticals Inc.
![Parafon Dsc (Chlorzoxazone) Tablet [Keltman Pharmaceuticals Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Parafon Dsc | Keltman Pharmaceuticals Inc.
Usual Adult DosageOne caplet three or four times daily. If adequate response is not obtained with this dose, it may be increased to 1 ½ caplets (750 mg) three or four times daily. As improvement occurs dosage can usually be reduced.
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