Flesh Eating Cocaine Laced With Veterinary Drug Levamisole - ABC News
Cocaine cut with the veterinary drug levamisole could be the culprit in a flurry of flesh-eating disease in New York and Los Angeles.

The drug, used to deworm cattle, pigs and sheep, can rot the skin off noses, ears and cheeks. And over 80 percent of the country's coke supply contains it.
Pics in the article. It seems in a short while we will have a very big tell-tale on who is doing cocaine and who isnt.