Illinois was the twentieth state to legalize medical marijuana on January 1, 2014. Known as The Compassionate Use of Medical Cannabis Act, this program is still in a pilot stage and was recently extended until at least July 2020. Illinois’ medical program was also expanded by the CRTA, allowing medical patients to cultivate in their homes.


As of January 1, 2020, Illinois residents 21 and older may possess 30 grams of cannabis flower, 500 mg of THC-infused edible products (amount is cumulative, regardless of being in a single product or multiple products), or five grams of concentrate. Non-residents to Illinois may purchase 15 grams of cannabis, 250 mg of THC in a cannabis-infused product, or 2.5 grams of concentrated cannabis product.

Qualifying patients are able to possess an “adequate supply” of medical marijuana. An adequate supply refers to 2.5 ounces of usable cannabis. However, patients may apply for a waiver to possess more than the 2.5 ounce limit based on the treatment required for their debilitating medical condition(s).


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