A dose of Flexeril (cyclobenzaprine) causes sleepiness within 30 minutes, with effects lasting for up to six to eight hours. This muscle relaxer shouldn't be taken for long—it’s typically only ...

Feb. 21, 2006 -- The US Food and Drug Administration (FDA) has approved first-time generic formulations of cyclobenzaprine HCl 5-mg tablets for adjunctive use in the short-term treatment of muscle ...

(May 18, 2004) -- Back and neck pain sufferers who divide the most frequently prescribed muscle relaxant may be getting anywhere from half to one-and-a-half times the amount of medicine they believe ...

WASHINGTON -- Johnson & Johnson said federal regulators have approved a less-drowsy, lower-dosage form of its muscle relaxant Flexeril, positioning the company to renew its request that the drug be ...

WhiteSands Alcohol & Drug Rehab Naples has published a new educational resource on its website examining the clinical differences between Flexeril and tizanidine, two muscle relaxants that are ...