• tell your doctor if you have or have ever had Netherton's syndrome (an inherited condition that causes the skin to be red, itchy, and scaly), redness and peeling of most of your skin, any other skin disease, or any type of skin infection, especially chicken pox, shingles (a skin infection in people who have had chicken pox in the past), herpes (cold sores), or eczema herpeticum (viral infection that causes fluid filled blisters to form on the skin of people who have eczema). Also tell your doctor if your eczema rash has turned crusty or blistered or if you think that your eczema rash is infected.