Need help

So my boyfriend just "some how" got scabies why I was off working and he came back covered In a mess of bites I thought was chiggers because he told me he was out at his dads land when he was actually with his ex girlfriend come to find out so now i have scabies and have no health insurance and no money because he also decided to get addicted to drugs and spend all my money yes i left his sorry ass ! But please tell me any ways you know to get rid of this I'm going crazy ! I tried tea tree oil and it didn't work !