Lube, Lube, Lube!
Use a good moisturizing soap such as dove or caress, do short baths, pat dry (don't rub), apply a good moisturizer immediately after & use the moisturizer 3 times a day (or more.
) certain laundry detergents & dryer sheets may make it worse. Also, 100% cotton for all clothes, bed clothes, bed linens, blankets, etc. Is less likely than wool, polyester, or blends to cause irritation. Doc may offer rx.