How to Cure Itching Flaky Dry SkinDoctors Assist Particular Therapies Dry skin, which is widespread, might be the cause of the problem. Psoriasis or dermatitis may be the cause of this rash. An allergic response is another possibility. It may be a side effect of anything you're already taking. You can get to the source of the issue of how to cure itching flaky dry skin by seeing your main or family doctor. If a dermatologist or other skin expert is required, they will make the referral. If you have any doubts, the best course of action is to consult with your physician. Most causes of itchy, dry skin have particular therapies that your doctor can assist you with.