I have taken medication for my bladder that was $300 a month but my insurance covered it. They don't cover my Chantix and it's about $140 a month. There are medications that aren't quite so high, just depends on what your taking.
You might try an online search for a pharmacy discount card. I get them in the mail sometimes, and the program is free.
I am on the guafenesin protocol. This medication costs me $600.00 per year and is very effective at eliminating the fibro gunk from your trunk. If you are interested, read "What Your Doctor May Not Tell You About Fibromyalgia" by St. Amand.