Tizanidine
muscle spasm
"My doctor gave this to me for I had to get off my melicam for a month. 3 days into taking this medication I have had the worst nightmares ever,  things that you couldn't even imagine to the point that I thought dead people where in my house and I'm talking to myself and my husband getting mad because I'm talking and screaming very loud in my sleep.  Heart rate is very high,  dropped my blood pressure just from 3 days. I would take some serious precautions when taking this medication. And I still don't know if it works or not the dreams scared me so bad that I think I'm cured...."