You only get scabies in the folds of the body..eg genitals,toes,fingers buttocks,waist.
http://en.wikipedia.org/wiki/Scabies
It could be anything.Go see the pharmacist or ask a friendly nurse you know to take a look to see if you need to visit the doctor.
Hopefully it's not ringworm..
http://en.wikipedia.org/wiki/Ringworm