Scabies can be no marks on the skin Vis?
Scabies can be if your skin itches really bad, but there is no rash or any real mark of your skin?
It depends on how long you've been itching. Scabies burrow makes small marks on the skin that can be quite small, so it may or may not see at first. If you have been itching for a long time, you make your own 'eruption' therefore only scratching.
Skin Conditions & Treatments : Scabies Cures