Hi Maka,
If you are looking for urgent advice about what might be a pressing medical issue please call 111. This is an NHS helpline and medical practitioners can give you advice over the phone. If you would like advice regarding cocaine, FRANK has an anonymous helpline for information and advice regarding drugs:0300 1236600 . If you need someone to talk to please call the Samaritans on 116123!
Very best wishes,
Clara