Sir, I Have Been Having This Scabies Disease More Than

sir, i have been having this scabies disease more than a month. It just itches on the top parts like shoulder, neck, wing, but it majorly caused on the lower parts. A partly a ring like formed with black shade with dots in it and it had affected my corner of lap, its nearly getting vanished but reappears again, mainly in night times it itches a lot and i can bear it ,scratching my self making wound all over the body ,since being in college hostel i'm unable to take measures against it particularly in clothing and bed sheets n mat. I really want an treatment.