Zanaflex
"Zanaflex works when I use it for my tight shoulders leading to my back; however I seem to be have some side effects that most people are just laughing off. I think my husband things I'm a little off. I have hallucination - yes, I realize they  are real. The other is when I start to move around all of the joint seem to be tight and the muscles spasmings around them. It is about 5-10 mins long. I lose my balance and one more thing, I have acute hearing loss, at times too. That could be unrelated."