What can i do abour this rash on my hands it goes away then come back i've been using cortizone (hydrocortisone) 10 plus?

Rash: A recurring rash would be good reason to consult a dermatologist to determine the cause and set you on a course of treatment. You should be seen when the rash is prominent and not treated with cortisone, so the doctor can diagnosis it more readily.

Contact agents: Likely something you are using on your hands. Since you didn't mention itching, an irritant reaction is a more likely cause. Try to use mild soap to wash your hands and apply a moisturizer after washing. Sanitizing gel can dry up and irritate your skin as well. Excessive hand washing can do the same.