Serious Question About Someone Who Frequentlygets a Small Blood Blister?

Question by Kristy: Serious question about someone who frequentlygets a small Blood blister?
This is a serious question somone I know frequentlygets a small blood blister at tip of his thumb? I need to know If this is a symptom of drug abuse as he claims he doesn’t know how he gets them or used 2 say he hit it w a hammer at work but hasn’t done that type of work for a very long time.

Best answer:

Answer by A
it could be from flicking a lighter alot. Which could be a drug that is smoked

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