State guide
How to pay less for medication in Illinois
The state programs and rules that affect what you pay for prescriptions in Illinois, plus the nationwide help that works everywhere.
| Medicaid expansion | Yes |
| State insulin copay cap | $35 per 30-day supply (state-regulated plans) |
| Health insurance marketplace | Get Covered Illinois |
| State drug help programs | None listed besides the HIV program (ADAP) |
Medicaid in Illinois
Illinois expanded Medicaid. Adults under 65 with income up to 138% of the federal poverty level can qualify, and most prescriptions cost little or nothing.
You can apply for Medicaid any time of year. Find your state agency through Medicaid.gov.
Insulin
Illinois caps insulin at $35 for a 30-day supply in state-regulated health plans. A combined cap for all your insulin. Many job-based plans are self-funded and regulated federally instead, so ask your plan whether the cap applies to you.
HIV medication
Illinois runs an AIDS Drug Assistance Program (ADAP) that helps pay for HIV medication. See HIV.gov to find it.
On Medicare in Illinois?
- Your State Health Insurance Assistance Program (SHIP) gives free, unbiased Medicare help. Find it at shiphelp.org or call 877-839-2675.
- Check whether you qualify for Extra Help, which can cut copays to a few dollars.
- Open enrollment runs October 15 to December 7. Use our checklist.
Help that works in every state
- Look up your medication for its drugmaker program, generics and cash prices.
- Community health centers in Illinois charge by income.
- Six ways to pay less, and what to do with no insurance.
Common questions
Did Illinois expand Medicaid?
Illinois expanded Medicaid. Adults under 65 with income up to 138% of the federal poverty level can qualify, and most prescriptions cost little or nothing.
Does Illinois cap insulin costs?
Illinois caps insulin at $35 for a 30-day supply in state-regulated health plans. A combined cap for all your insulin. Many job-based plans are self-funded and regulated federally instead, so ask your plan whether the cap applies to you.
Where do I buy a Marketplace health plan in Illinois?
Illinois runs its own marketplace, Get Covered Illinois.
Sources: KFF (Medicaid expansion) · American Diabetes Association (insulin caps) · NCSL (state programs) · healthinsurance.org (marketplaces). Last checked October 1, 2026.
Get a heads-up when prices change
One short email when a new generic, price cap or program could lower what you pay. No spam, no selling your address.