McLean County (Bloomington, Illinois area) has started a prescription drug discount card. It is supposed to save residents an average of 20 percent. The program targets the uninsured and underinsured. The card is free and requires no enrollment form. You can call 877-321-2652 or go to https://naco.advancerx.com.
People who have disputed workers compensation claims often cannot get medical treatment unless they have group insurance. This program may help with medications at least. If you live in Peoria, Champaign, or Springfield you can check with your county governments since many of them are participating in the discount drug card program.