Cyclobenzaprine. Cyclobenzaprine sold under the brand name Flexeril among others is a medication used for muscle spasms from musculoskeletal conditions of sudden onset. Cyclobenzaprine is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury.
It works by helping to relax the muscles. It works by acting in the brain and nervous system to allow the muscles to relax. Food and Drug Administration FDA first approved this medicine in 1977.
Use is not recommended for more than a few weeks.
Adults15 milligrams mg once a day. Adults15 milligrams mg once a day. Cyclobenzaprine is available under the following different brand names. Some patients may need 30 mg one 30 mg capsule or two 15 mg capsules per day.