I can understand the distress you are through. Masturbation can ve Very addictive. It must be treated like any other addiction problem. Poor concentration, weakness, lethargy, restlessness are some common symptoms associated with the problem of Compulsive masturbation. Although hair fall cannot be due to masturbation. There is a treatment available for masturbation problem. Medicines are indicated in initial stages.
Next Steps
I would suggest you to consult with a sexologist. For more information regarding this problem you can ask a detailed query here on practo.