Have you been swimming in a chlorinated pool or a natural body of water recently?

It's likely to be an infection if the skin around the lump is red and warm. ... Lump on the shoulder, back, chest or arm. A lump on the shoulder, back ... Jul 6, 2020 ... In most cases, these will resolve on their own. Allergy: An allergic ... What if my armpit lump turns out to be cancer? In the rare ... Keratosis pilaris are small, red bumps on the skin of your arms. Keratosis pilaris are painless bumps on your skin around your hair follicles. Keratosis ... The main symptoms of an insect bite or sting are: pain or feeling itchy where you were bitten or stung; a swollen lump on the skin. The lump may look red. Aug 28, 2023 ... The sandpaper-like bumps usually form on upper arms, buttocks, and thighs. They're white or red and don't hurt, but may itch. The common ... Oct 23, 2024 ... Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a harmless skin condition that causes dry, rough patches and tiny bumps, often on the upper arms, thighs, Erythema nodosum appear as red tender lumps, most commonly on the shins or lower legs. The condition is three times more common in women than men. Keratosis pilaris consists of small, rough, white or reddish bumps or patches on the skin. Read about the causes, symptoms and treatment here. Hives are raised, often itchy, red bumps (welts) on the surface of the skin. ... They may disappear on their own. To reduce itching and swelling: Do not ... The 5 main symptom groups are: Itchy red patches; Painful red bumps; Painless white bumps; Benign (harmless) skin growths; Skin bumps and sexual contact ...