I have bumps all over
my arms. Is this acne? How can I get rid of them?
If these bumps are small and rough and mostly occur on your
upper arms and thighs, it's more likely that you have an eczema-related
condition known as keratosis pilaris. It's a very common hereditary condition
(more than 50% of people have it) that creates raised bumps on the skin. It's
more common in women and tends to improve with age.
Keratosis pilaris occurs when skin cells build up in the
hair follicle, preventing the hair shaft from reaching the surface of the skin.
Often, this results in minor inflammation, causing the appearance of red or
brown spots beneath each raised bump. Since this affects the pores, keratosis
pilaris can cause or exacerbate blemishes, especially in adolescence. In fact,
up to 80% of adolescents experience keratosis pilaris.
Usually, keratosis pilaris is viewed as physically
unsightly, but not medically harmful. There is no "cure" for the condition, but
Eczema - nummular; Nummular dermatitis
There is no known way to prevent the disorder. Avoid any triggers that make your symptoms worse.
Morelli JG. Eczematous disorders. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics . 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap654.
Eczema is a chronic skin disorder that involves scaly and itchy rashes. Atopic eczema is the most common type.
Infantile eczema; Atopic dermatitis; Dermatitis - atopic; Eczema - atopic
Causes, incidence, and risk factors
Atopic eczema is due to a hypersensitivity reaction (similar to an allergy ) in the skin, which leads to long-term inflammation of the skin.
Eczema is most common in infants. Many people outgrow it by early adulthood. The condition tends to run in families.
People with eczema often have asthma or hay fever , too. There is often a family history of allergic conditions such as asthma, hay fever, or eczema.
The following can make eczema symptoms worse:
Allergies to pollen, mold, dust mites, or animals
Colds or the flu
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