Hi I Had Those Scabies Did Everything I Went Back

Hi I had those scabies did everything I went back to my sisters I told her to get help and clean your house and things she did that so I was good for about six months been back to her house she say no one has them any more but I started back withe same creepy crawling inching not as bad but mostly my head which I have very short hair and around my waist don't have money I get Disability what is the home remedies I can use please.