muscle spasm
"I have a bunch of issues in cervical & lumbar spine. I'm delaying neck surgery indefinitely & am still in the injection phase of attempted treatment for lumbar. I take pain meds & had used flexeril, but it didn't work well at all. So dr replaced flexeril with this at 4mg 3x/day. It helped, but not enough. Now on 8mg 3x/day.  This dosage helps the spasms, but had to lower AM dose back to 4mg or I can't stay awake. 2nd dose I take either 4 or 8mg, depending on pain & spasms. At bedtime I  take 8mg, which pretty much knocks me out. At least this way I get a couple hours deep sleep, which is hard to come by with constant spinal pain.  Side effects: sleepiness, very dry mouth, some constipation.  Worth it - it helps!"