Hi ,this is a case of alcohol dependence syndrome .(with provided information) This condition can be treated easily with good counseling (Motivation enhancement therapy) and depending on severity of dependence and withdrawal symptoms can treated inpatient or outpatient basis. This needs continuous support from psychiatrist ,family members .Along with this after detoxification process we can give anti crawing medications to reduce crawing and prevent relapse. I think you got it well , this is a psychiatric condition can be cured.