What are the face blotches all about?
All Meth users suffer from what they call “Crank Bugs”. Meth is manufactured with chemicals that are toxic to the human body, and once the drug is taken the chemicals remain. The body’s natural reaction is to try and eliminate the toxins. Users itch and scratch which causes the open sores.
http://www.nmtf.us/methamphetamine/methamphetamine.htm