What is Metaxalone used for?
Metaxalone is used to treat muscle spasms/pain. It is usually used along with rest, physical therapy, and other treatment.
How should I take Metaxalone?
Take this medication by mouth with or without food as directed by your doctor, usually 3 or 4 times a day. If you take this medication after a high-fat meal and experience side effects, it may be best to take this drug on an empty stomach or after a light meal.
The dosage is based on your medical condition and response to treatment. Do not increase your dose or use this drug more often or for longer than prescribed. Your condition will not improve any faster, and your risk of side effects will increase.
Tell your doctor if your condition does not improve or if it worsens.
How do I store Metaxalone?
Metaxalone is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Metaxalone in the bathroom or the freezer. There may be different brands of Metaxalone that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.
You should not flush Metaxalone down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.
Precautions & warnings
What should I know before using Metaxalone?
Before taking metaxalone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Older adults may be more sensitive to the side effects of this drug, especially dizziness, drowsiness, or confusion. These side effects can increase the risk of falling.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
Is it safe during pregnancy or breast-feeding?
There are no adequate studies in women for determining risk when using this Metaxalone during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Metaxalone. Metaxalone is pregnancy risk category N according to the US Food and Drug Administration (FDA).
FDA pregnancy risk category reference below:
- A=No risk,
- B=No risk in some studies,
- C=There may be some risk,
- D=Positive evidence of risk,
What side effects can occur from Metaxalone?
Drowsiness, dizziness, nausea, vomiting, and upset stomach may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as nervousness, irritability, confusion), signs of infection (such as fever, persistent sore throat), yellowing eyes/skin, unusual tiredness, fast/pounding heartbeat, dark urine.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.
What drugs may interact with Metaxalone?
Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana, drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), other muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).
Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.
This medication may interfere with certain laboratory tests (including certain urine glucose tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.
Metaxalone may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.
Does food or alcohol interact with Metaxalone?
Metaxalone may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.
What health conditions may interact with Metaxalone?
Metaxalone may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.
The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this Metaxalone.
What is the dose of Metaxalone for an adult?
Usual Adult Dose for Muscle Spasm
800 mg orally 3 to 4 times a day
Renal Dose Adjustments
Mild to moderate renal dysfunction: Use with caution
Severe renal dysfunction: Contraindicated
Liver Dose Adjustments
Mild to moderate liver dysfunction: Use with caution
Severe liver dysfunction: Contraindicated
-This drug may impair mental and/or physical abilities required for performance of hazardous tasks, such as operating machinery or driving a motor vehicle, especially when used with alcohol or other CNS depressants.
What is the dose of Metaxalone for a child?
Usual Pediatric Dose for Muscle Spasm
12 years or older:
800 mg orally 3 to 4 times a day
Safety and efficacy have not been established in patients younger than 12 years.
How is Metaxalone available?
Metaxalone is available in the following dosage forms and strengths:
- Oral Tablet
What should I do in case of an emergency or overdose?
In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.
What should I do if I miss a dose?
If you miss a dose of Metaxalone, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.
Hello Health Group does not provide medical advice, diagnosis or treatment.
Metaxalone Dosage. https://www.drugs.com/dosage/metaxalone.html. Accessed March 15, 2018.
Metaxalone. https://www.webmd.com/drugs/2/drug-7898/metaxalone-oral/details. Accessed March 15, 2018.
Review Date: March 23, 2018 | Last Modified: March 23, 2018