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Questions & Answers
Side Effects & Adverse Reactions
Metaxalone tablets may enhance the effects of alcohol and other CNS depressants.
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
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.
Metaxalone tablets are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomforts 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. Metaxalone does not directly relax tense skeletal muscles in man.
There is currently no drug history available for this drug.
Metaxalone tablets are available as 400 mg round, scored, peach colored tablets.
Chemically, metaxalone is 5-[(3,5- dimethylphenoxy) methyl]-2-oxazolidinone. The empirical formula is C12H15NO3, which corresponds to a molecular weight of 221.25. The structural formula is:
Metaxalone is a white to almost white, odorless crystalline powder freely soluble in chloroform, soluble in methanol and in 96% ethanol, but practically insoluble in ether or water.
Each tablet contains 400 mg metaxalone and the following inactive ingredients: alginic acid, FD&C Yellow #6 Aluminum Lake, lactose monohydrate, magnesium stearate, povidone and propylene glycol alginate.