There are qualified medical diagnoses to get an Illinois medical marijuana ID card:
Agitation of Alzheimer’s disease
Amyotrophic lateral sclerosis (ALS)
Anorexia nervosa
Autism
Arnold-Chiari malformation
Cachexia/Wasting syndrome
Cancer
Causalgia
Chronic inflammatory demyelinating polyneuropathy (CIDP)
Chronic pain
Crohn’s disease
CRPS (complex regional pain syndrome Type II)
Dystonia
Ehlers-Danlos syndrome
Fibrous dysplasia
Glaucoma
Hepatitis C
HIV/AIDS
Huntington's disease
Hydrocephalus
Hydromyelia
Interstitial cystitis
Irritable bowel syndrome
Lupus
Migraines
Multiple sclerosis
Muscular dystrophy
Myasthenia gravis
Myoclonus
Nail-patella syndrome
Neuro-Behcet's autoimmune disease
Neurofibromatosis
Neuropathy
Osteoarthritis
Parkinson’s disease
Polycystic kidney disease
Post-concussion syndrome
Posttraumatic stress disorder (PTSD)
Reflex sympathetic dystrophy
Residual limb pain
Rheumatoid arthritis
Seizures (including those characteristics of epilepsy)
Severe fibromyalgia
Sjogren’s syndrome
Spinal cord disease (including but not limited to Arachnoiditis)
Spinal cord injury (damage to the nervous tissue of the spinal cord with objective neurological indication of intractable spasticity)
Spinocerebellar ataxia
Superior canal dehiscence syndrome.
Syringomyelia
Tarlov cysts
Tourette syndrome
Traumatic brain injury
Ulcerative colitis