Yikes 3rd degree burns over 85% that has to be rough.
I have a neurological condition called dystonia (it's in the same family as
Parkinson's) and have had to take huge doses of narcotics, benzo's, garden variety muscle relaxers, etc. Muscle relaxers will definitely screw with your liver and opioid / tylenol combos aren't great for renal function. I started taking marinol (think pot in a pill) last spring and it works wonders.
Only problem is I can't get it anymore b/c I live in a screwy state (AL).