What causes small itchy bumps on arms?
Keratosis pilaris causes small bumps to appear on the upper arms, legs or buttocks. They usually don’t hurt or itch. Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a common, harmless skin condition that causes dry, rough patches and tiny bumps, often on the upper arms, thighs, cheeks or buttocks.
What allergic reaction causes bumps on arms?
Hives. Hives ( urticaria ) are red bumps or welts that appear on the body. The condition is called acute urticaria if it lasts for no more than six weeks, and chronic urticaria if it persists beyond six weeks. Acute urticaria is most commonly caused by exposure to an allergen or by an infection.
What allergies make your arms itch?
Allergic contact dermatitis Allergic contact dermatitis can be caused by many different allergens, but the most common ones that could affect the upper arms include fragrances, dyes used in clothing, and preservatives found in skin care products.
How do I get rid of itchy bumps on my arms?
Over-the-counter (OTC) creams with oatmeal or hydrocortisone can help soothe itchy skin bumps and provide some relief. If your skin doesn’t improve, you may need a prescription ointment. If a healthcare professional suspects that allergies are contributing to your skin bumps, you may need to take an antihistamine.
Why am I getting little itchy bumps on my skin?
Itchy bumps can appear as a result of allergies, infections, insects, and, sometimes, nonidentified factors. However, there is one general principle that the American College of Allergy, Asthma & Immunology recommend people to follow when their skin itches: Do not scratch it.
What causes little bumps on skin that itch?
Hives, also called urticaria (yer ti CARE ee uh), are red, itchy, raised bumps or welts on the skin. They may be small, like mosquito bites, or many inches wide. Hives can appear alone, in a group or can connect with each other to cover bigger areas.
What do allergy bumps look like?
Hives are red raised bumps or welts on the skin. Hives (or urticaria) is a common skin reaction to something like an allergen (a substance that causes allergies). The spots can appear anywhere on the body and can look like tiny little spots, blotches, or large connected bumps.
How long do allergy bumps last?
The rash usually develops within minutes to hours of exposure and can last two to four weeks. Signs and symptoms of contact dermatitis include: A red rash.