Judged: two independent readers; copy check clear.
Flexeril
Flexeril Flexeril is a centrally acting muscle relaxant identified here as cyclobenzaprine hydrochloride.
Flexeril is a centrally acting muscle relaxant identified here as cyclobenzaprine hydrochloride. It works mainly at the brain stem to reduce motor nerve activity and lessen muscle spasms, and it is chemically similar to amitriptyline hydrochloride with antidepressant activity.