House Dust Mite and Eczema: Why Dermatologists Also Ask About Bedding

Skin Barrier and Allergens

People with atopic dermatitis (eczema) have a weaker skin barrier, so outside irritants and allergens can get into the skin more easily. Bed sheets, duvet covers and pillowcases stay against the skin all night. House dust mite allergens, detergent residue and friction from fibres in them can all make itching worse. Scratching then damages the barrier further, creating a repeated cycle.

Why Doctors Ask About Bedding at Appointments

Because this is one of the environmental factors that patients can change most easily, and one that often gives the quickest results. Doctors usually ask how often bedding is washed, what type of detergent is used, whether fabric softener is used, whether the bedroom is damp, and whether pets are kept. Preparing this information in advance helps find the aggravating factors faster.

A Few Things You Can Do Right Away

• Wash bedding that touches the skin every week in water above 55°C, rinse well, and try not to use fabric softener or strongly scented detergents
• Choose smooth, soft pure cotton materials, and avoid rough or heavily dyed fabrics touching the skin directly
• Apply emollient (moisturizer) within three minutes of bathing, in generous amounts and often. This is the basic work of eczema care
• If the affected area is large, there is oozing, sleep is affected, or there is no improvement after two weeks of proper care, see a dermatologist promptly

This article is for general information only and not medical advice. Please follow your doctor's instructions.