Remember your coping skills. hold unto an ice cube, draw on yourself with a marker or pen, play with play doh, explore a safe object with your five senses, if you pick at yourself put hydrogen peroide over it and a bandaid over it and follow the coping skills, sometimes petting a pillow or pet or fuzzy keychain helps... Google Cognitive behavioral therapy and practice it. Call a crisis line. If you are bleeding, get treated at the hospital.