The bill makes the state's program permanent and adds new qualifying conditions to the list.
But recreational users looking to grow their own cannabis are out of luck.
In 2014, Thomas Franzen ordered 40 pounds of THC-infused chocolates from California to self-medicate his cancer symptoms.
Illinois is set to be the eleventh state to legalize recreational cannabis.
On the last day of the spring legislative session, Illinois lawmakers are set to vote on recreational weed.
Home grow would still be off-limits for recreational users
The "Brownie Scout" strain from Illinois just tested at 37.5% THCa.
The proposal includes loan program for cannabis entrepreneurs from heavily policed neighborhoods.
Criminal justice reform is on its way in Cook County.
Officials are worried that the demand will far exceed the supply of legal cannabis.