Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. There is no known interaction between Flexeril and Xanax in our records. However, an interaction may still exist. However, an interaction may still exist. Always consult your doctor before taking these medications together. Summary. Drug interactions are reported among people who take Xanax and Flexeril together. This study is created by eHealthMe based on reports of 3,064 people who take Xanax and Flexeril from FDA, and is updated regularly. Detroit rapper and 44 Boyzz leader, Rocaine, sits down with DJ Smallz and shares a horror high story and lists his munchies when he is under the influence. There is no known interaction between Flexeril and Xanax in our records. However, an interaction may still exist. - Page 3 However, an interaction may still exist. - Page 3 Research shows that if you use an opiate pain reliever with Xanax that it will cause the opiate to work better. Xanax will has always been known to make you sle. I started taking hydrocodone in 2005 and taking xanax in 2010. My dosage was half a milligram twice a day of xanax and 10 mgs of hydro every six to eight hours. You are comparing apples to oranges. If this question is about muscle relaxants then you should be taking the Flexeril. If you are having panic attacks or anxiety that are brought on by having muscle spasm then you should take the Xanax for the panic or anxiety attack.