Drugs That Are Muscle Relaxants

The inability to move especially after a car accident or another form of trauma can be quite discomforting. Muscle stiffness and spasms may result. In some instances, diseases can also lead to these muscular problems. Fortunately, muscle relaxant drugs act to reduce muscle stiffness and spasms.


Metaxolone, commonly sold as Skelaxin, acts as a muscle relaxant. Specifically, it is used in conjunction with physical therapy and rest to reduce the pain or injury that results from skeletal muscle conditions, according to the Drugs website.

Metaxolone’s less-concerning side effects include dizziness, drowsiness, a headache and a skin rash. Metaxolone’s additional effects include nervousness, irritability, vomiting, nausea and stomach problems. Inform a doctor when this drug leads to these effects.

Metaxolone’s serious side effects include clay-colored stools, yellowing of the skin or eyes, a fever, dark urine and a poor appetite. Call a doctor when metaxalone’s serious effects develop.

Having anemia or liver or kidney disease may require a reduction in metaxolone’s dose.

Metaxolone is a tablet taken three to four times each day.


Methocarbamol, commonly sold as Robaxin, is another muscle relaxant that decreases the injury and pain that result from skeletal muscle diseases. It is also combined with physical therapy and rest to achieve the aforementioned goals.

Drugs.com says that methocarbamol’s less-concerning side effects include vomiting, nausea, memory problems, trouble sleeping, a fever and drowsiness. This medication’s additional effects include dizziness, a stuffy nose, itching and a skin rash. Phone a doctor when methocarbamol’s less-serious effects remain for more than six days.

Methocarbamol’s serious side effects include a slow heart rate, seizures, yellowing of the skin or eyes, confusion and a lack of balance. Call a physician immediately when methocarbamol leads to these effects.

Avoid alcohol consumption while taking methocarbomol because it can lead to increased drowsiness.

Methocarbamol is a tablet taken three to six times daily or as prescribed.


Carisoprodol, commonly sold as Soma, is another muscle relaxant that is combined with physical therapy to relax the muscles. MedlinePlus says that carisoprodol treats the sprains, strains and pain that result from muscle trauma.

Carisoprodol’s less-serious effects include a headache, drowsiness, dizziness, a fast heart rate and stomach problems. Carisoprodol’s additional effects include a skin rash, vomiting and clumsiness. Talk to a doctor when these effects last for more than a week.

Carisoprodol’s serious effects include trouble breathing, a fever, burning of the eyes and weakness. Inform a doctor immediately when carisoprodol’s serious effects develop.

A change in carisoprodol’s dose may be necessary when suffering from kidney or liver disease.

Carisoprodol is a tablet taken three times daily and at bedtime.

About this Author

Lisabetta Divita is a physician whose love for writing flourished while she was exposed to all facets of the medical field during her training. Her writings are currently featured in prominent medical magazines and various online publications. She holds a doctorate in medicine, a master’s in biomedicine, and a Bachelor of Science in biology from Boston College.