Apr 18, 2022 · Most armpit lumps go away on their own, but it can take a few weeks. It’s possible to develop a new armpit lump if you get another infection, receive a vaccine or experience a …

A lump in armpit can be caused by allergies, infections, swollen lymph nodes, cysts, lipomas, or more serious conditions like breast cancer or lymphoma. Learn the main causes, symptoms …

Nov 2, 2025 · You may have swollen armpit lumps due to infections, cysts, or vaccines. In severe cases, some armpit lumps could be a sign of breast cancer or other conditions.

Oct 1, 2024 · Common symptoms of a pea-sized lump in the armpit that hurts include: Pain: The lump typically causes discomfort or pain, especially when touched or moved. Swelling: There …

Jun 24, 2024 · A painful lump in the armpit is usually from swollen lymph nodes, an ingrown hair, or a cyst. While most bumps will go away on their own, your doctor may prescribe an antibiotic.

Jul 6, 2020 · In many cases, lumps under the armpit are caused by a swollen lymph node — in other words, the body’s immune system responding to a small issue such as an infection or …

Mar 14, 2025 · Some people may experience pain with an armpit lump. Painful lumps are often associated with infections and allergic reactions, which cause softer lumps. Lymph node …

Jun 26, 2025 · Muscle strain from exercise, lifting heavy objects, or repetitive arm movements can create lumps or swelling under your armpit. The pectoral muscles extend into this area, and …

Aug 1, 2025 · Most lumps are harmless and are usually the result of abnormal tissue growth. However, armpit lumps can be related to a more serious underlying health problem. You …

A lump in the armpit may appear as a bump or swelling under the arm and can have many different causes. The most frequent cause of a lump in the armpit is an enlarged lymph node, …