Muscle relaxants are used to treat acute pain due to strains, sprains and other muscle injuries. This drug works primarily with a depressive effect on the central nervous system or blocking pain receptors. Avoid alcohol if you are taking any muscle relaxant, because it can increase the sedative effect.
Flexeril is also known by its generic name cyclobenzaprine. Common side effects include dizziness, fatigue, dry mouth, confusion and difficulty thinking. The most rare and severe side effects include seizures and stroke. This drug should not be taken by patients with congestive heart failure or overactive thyroid.
The generic name for Skelaxin is metaxalone. Common side effects include dizziness, nausea and vomiting, drowsiness, headache and nervousness. Skelaxin has few serious side effects, but should not be used by people with kidney serious diseases, liver disease or anemia. Avoid cold or allergy medications while taking Skelaxin.
Zanaflex (tizanidine) can cause more serious than other drugs in its class common side effects. Apart from dizziness, fatigue, dry mouth, confusion, Zanaflex can also cause high blood pressure and heart rate low, urinary tract infection, flu symptoms and speech disorders. Serious side effects include low blood pressure, high blood pressure and heart rate suspension, cornea and retina damage, renal toxicity and hallucinations. It can not be taken with antidepressant Luvox or the antibiotic Cipro.
While more commonly used for anxiety and sedation, Valium (diazepam) is also prescribed for muscle spasms. Valium also has a long list of possible common side effects, but are generally well tolerated. Possible side effects include fatigue, confusion, depression, slurred speech, dizziness, nausea, blurred vision, rash, excessive drooling and changes in sexual desire. Possible side effects are severe dependence, low blood pressure, breathing difficulties, depression, psychosis and jaundice. Valium can cause birth defects and should not be taken during pregnancy.
Norflex (orphenadrine) is helpful in relieving the pain of leg cramps and other muscle aches. In addition to the common side effects of muscle relaxants can also cause increased heart rate and palpitation, severe itching, weakness, tremors or shaking. Serious side effects associated with the use of this drug are hallucinations and allergic reactions. It should not be used by those who have an enlarged prostate, difficulty swallowing, glaucoma or problems with urination.
Soma (Carisoprodol) is prescribed for acute musculoskeletal pain. Drowsiness, dizziness and headache are the most common side effects. It is addictive and can cause withdrawal symptoms if their consumption is stopped abruptly. Soma should be used with caution in patients with epilepsy and those with liver and kidney disease.