Does CLOBETASOL PROPIONATE cure dermitites

I HAVE DERMITITES. I WAS GIVEN THIS MEDICATION BY MT DOCTOR. HOW LONG WILL IT TAKE TO MAKE IT GO AWAY? I HAVE DERMITIES ON MY HANDS THE CLOBETASOL PROPINATE RUBS OFF QUICKLY I TRY TO LEAVE IT ON FOR ABOUT HALF HOUR BEFORE TOUCHING ANYTHING. IS IT OK TO GET ACRYLIC NAILS ON MY NAILS? I SCARTCHED MY FOOT IS IT POSSIBLE THAT IT HAS NO INFECTED MY FEET? THANK YOU IN ADVANCE