Skelaxin Side Effects
Generic Name: metaxalone
Note: This page contains side effects data for the generic drug metaxalone. It is possible that some of the dosage forms included below may not apply to the brand name Skelaxin.
It is possible that some side effects of Skelaxin may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
For the Consumer
Applies to metaxalone: oral tablet
As well as its needed effects, metaxalone (the active ingredient contained in Skelaxin) may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking metaxalone, check with your doctor immediately:More common
- Abdominal or stomach pain
- back or leg pains
- black, tarry stools
- bleeding gums
- chest pain
- dark urine
- difficulty in breathing or swallowing
- fast heartbeat
- general body swelling
- loss of appetite
- nausea or vomiting
- painful or difficult urination
- pale skin
- shortness of breath
- skin itching, rash, or redness
- sore throat
- sores, ulcers, or white spots on the lips or in the mouth
- swelling of the face, throat, or tongue
- swollen glands
- unpleasant breath odor
- unusual bleeding or bruising
- unusual tiredness or weakness
- vomiting of blood
- yellowing of the eyes or skin
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- tightness in the chest
Some metaxalone side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:More common
- stomach cramps
For Healthcare Professionals
Applies to metaxalone: oral tablet
Gastrointestinal side effects including nausea, vomiting, and gastrointestinal upset have been reported.
Nervous system side effects including drowsiness, dizziness, headache, and nervousness or irritability have been reported.
Hematologic side effects including leukopenia and hemolytic anemia have been reported.
Hypersensitivity side effects including a hypersensitivity reaction characterized by a light rash with or without pruritus have been reported.
Hepatic side effects including elevation in cephalin flocculation tests (without concurrent changes in other liver function parameters) and jaundice have been reported.
Other side effects including a false-positive Benedict's tests (due to an unknown reducing substance) have been reported.
A glucose-specific test may be used to differentiate findings.
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