I smoke marijuana for my RA and IC pain, although, I have bites . This has been going on for about two years, I say bites because they look like bites with a tiny hole in the middle, it itches something terribly. I have gone to the dermatologist and had allergy lab panels and scratch testing done with negative findings.I was already smoking before it got really bad, these bites are all over my body and I can actually feel something sting me. I have yet to see any insect on me. Is the marijuana a possibillity? Thank you, Y. Rodriguez