"for those of you whom the patch does not last the whole 3 days or if your dose doesn&#039;t seem constant ~ try the mylan generic brand. it lasts the whole 3 days and i never have any withdrawal symptoms! i take the 75 patch, and it is the only brand that worked for me. i do also take 2 tramadol 50mg every 4 hours also, but this is for the pain from my muscle spasms, which the patch never helps (for me). i also take muscle relaxers for the spasms but i hate to take them because they make me drowsy. i have disc degeneration and nerve damage and the pain wraps around my upper back to my chest area. on my worst days, i wanted to die. thank god for this fent patch! ps- use rubbing alcohol to clean your arm first; major stickiness help!"