I suffer from chronic pain and other health complications with my internal organs. Every doctor I've been to has been clueless or a liar. I've been on different types of prescription pills to manage pain but they either me made me bleed internally, or didn't work despite the increased risk of liver damage. I'm unable to safely (nor do I really like to) consume alcohol to take the edge off either. So now I self-medicate with marijuana somewhat regularly. I'd be lying if I said that my use was entirely medical.
I'm also no longer able to consume caffeine, which sucks, so now I smoke tobacco between classes at law school to stay awake. Other than that no current drug use, although I've done LSD once before.
I'm sorry, dude. I hope they find out what it is and will give you proper medication.