Why does keratosis pilaris itch

Although there is no cure, treatment is possible. The condition gets its name from keratin , a fibrous protein that makes up nails, hair, and the outer layer of skin. It forms a protective barrier from infections and environmental toxins. The abnormal buildup of keratin forms a plug that blocks the opening of a hair follicle. A person with dry skin is more likely to have itchy keratosis pilaris. The condition also tends to run in families, as it has a genetic component. People who suffer from other skin sensitivities like eczema also called atopic dermatitis may be more likely to get keratosis pilaris.

Children and adolescents are more likely to contract keratosis pilaris that is severely itchy, although many adults are affected. Females are also more prone to have the condition than males. Once diagnosed, one proven treatment for the itching is a steroid cream applied to the affected area daily for a week to 10 days.

Less common options include carbon dioxide laser. Keratosis pilaris is not contagious. We get keratosis pilaris when dead skin cells clog our pores. A pore is also called a hair follicle. Every hair on our body grows out of a hair follicle, so we have thousands of hair follicles.

When dead skin cells clog many hair follicles, you feel the rough, dry patches of keratosis pilaris. Castela E, Chiaverini C, et. Peters S, Bouchaab H, et. Published online Mar 14, Thomas M, Khopkar US.

Yosipovitch G, DeVore A, et. Child with keratosis pilaris This skin condition often appears before 2 years of age. A moisturizer: A cream or ointment works best. Apply it after bathing and gently massage it into the skin with keratosis pilaris 2 or 3 times a day.

Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Keratosis pilaris Open pop-up dialog box Close. Keratosis pilaris Keratosis pilaris causes small bumps to appear on the upper arms, legs or buttocks.

Request an Appointment at Mayo Clinic. Keratin plug Open pop-up dialog box Close. Keratin plug Keratosis pilaris develops when keratin forms a scaly plug that blocks the opening of the hair follicle.

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