I am 36 years old and I too pick at my scabs. I have done this for a long as I can remember.
I only pick scabs that I get 'legitimately', so it has become much less of a problem as I get older. Office workers in their thirties tend to get fewer scabs than children.
I am 39 years and suffer from the same disorder. In only happened in the last four years. I have picked sores all over my body. I can't stop. I know I shouldn't and I know I'm scarred for life, but I still can't stop. I've even seen doctors and they've given me medicine for it. I suffer from depression and anxiety and always have, but this is new. I won't wear short sleeve shirts and shorts anymore because people stare and ask me what happened.
I never know what to say.
Dear Ms. Cabral,
The picking at scabs can be a symptom of an anxiety disorder or an impulse control disorder. It would be sensible, in light of the ongoing nature and severity of the behavior, to consult with a child mental health professional. Through such a consultation you will be able to clarify the diagnosis and develop an intervention plan.