Cyclobenzaprine, sold under the brand name Amrix among others, is a muscle relaxer medication used to relieve skeletal muscle spasms and associated pain in acute musculoskeletal conditions. It is the best-studied drug for this application. It has also been used off-label for fibromyalgia treatment...Wikipedia
Manufacturer's Website: Amrix
Average retail cost: $1,025/month
Search Terms: Amrix®, Fexmid®, cyclobenzaprine hydrochloride, muscle relaxer, spasms, musculoskeletal