Metaxalone
Metaxalone Oral tablet
What is this medicine?
METAXALONE (me TAX a lone) is a muscle relaxer. It is used to treat pain and stiffness in muscles caused by strains, sprains, or other injury.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
anemia or blood disorder
kidney disease
liver disease
an unusual or allergic reaction to metaxalone, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth. Swallow it with a full glass of water. Follow the directions on the prescription label. Do not take more medicine than you are told to take.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 13 years of age for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
alcohol or medicines that contain alcohol
antihistamines
medicines for depression, anxiety, and other mental conditions
medicines for pain like codeine, oxycodone, tramadol, and propoxyphene
medicines for sleep
phenobarbital
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Check with your doctor or health care professional if your condition does not improve within 1 to 3 weeks.
You may get drowsy or dizzy when you first start taking the medicine or change doses. Do not drive, use machinery, or do anything that may be dangerous until you know how the medicine affects you. Stand or sit up slowly.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
difficulty breathing
skin rash
unusually weak or tired
vomiting
swelling of face, lips, or tongue
yellow eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
headache
irritability
nervousness
stomach upset
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Keep container tightly closed. Throw away any unused medicine after the expiration date.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert