i started itching about 2 months ago so i went to Dr. diagnosis scabies was treated with preminthrin cream , since then i have been back twice the sores are from my neck down it looks like i have laid down in an ant bed and i am confused because im the only one in my house this is happening to its all over me and sometimes it looks like there is like a big white substance or thing in there its driving me insane and it looks to me that i see little black things on me all the time and they are really small sometimes there red sometimes there black please help i am loosing it