Armpit Lump: Symptoms, Causes, Treatment

What are the symptoms of an armpit lump?

An armpit lump, also known as an axillary lump, is a swelling or bump under the arm. The symptoms of an armpit lump can vary depending on the underlying cause, but common symptoms may include:

1. Swelling: The most noticeable symptom of an armpit lump is a swelling or bump in the armpit area. The lump may be small or large, soft or firm, and may or may not be painful to the touch.
2. Pain or tenderness: Depending on the cause of the lump, it may be painful or tender to the touch. The pain may be sharp or dull and may worsen with movement or pressure.
3. Redness or warmth: In some cases, the skin over the armpit lump may appear red or feel warm to the touch. This can indicate inflammation or infection.
4. Fever: If the armpit lump is caused by an infection, such as an abscess or lymphadenitis, you may also experience fever or chills.
5. Changes in the skin: The skin over the armpit lump may appear stretched or shiny, or you may notice changes in the texture of the skin, such as dimpling or puckering.
6. Enlarged lymph nodes: Lumps in the armpit are often caused by swollen lymph nodes, which can be a sign of infection or other underlying conditions. If the lump is caused by swollen lymph nodes, you may also notice swelling in other areas of the body, such as the neck or groin.

It’s important to note that not all armpit lumps are cause for concern, but if you notice any changes in your armpit area, such as a new lump or swelling that does not go away, it’s important to consult with a healthcare provider for a proper evaluation and diagnosis.

What are the causes of an armpit lump?

Armpit lumps can have a variety of causes, ranging from harmless to more serious. Some common causes of armpit lumps include:

1. Lymphadenopathy: Swollen lymph nodes, or lymphadenopathy, are a common cause of armpit lumps. Lymph nodes are small, bean-shaped structures that help fight infection. When they swell, it can be a sign that your body is fighting an infection. Common causes of swollen lymph nodes in the armpit include viral or bacterial infections, such as the common cold, flu, or skin infections.
2. Hidradenitis suppurativa: This is a skin condition that causes small, painful lumps to form under the skin. These lumps can become inflamed and infected, leading to the formation of abscesses (pockets of pus). Hidradenitis suppurativa most commonly affects areas of the body where skin rubs together, such as the armpits, groin, and buttocks.
3. Lipoma: A lipoma is a noncancerous (benign) tumor made up of fat cells. Lipomas can develop anywhere on the body, including the armpits. They are usually painless and harmless, but they can sometimes grow large enough to cause discomfort or affect movement.
4. Abscess: An abscess is a collection of pus that forms under the skin. Abscesses can develop in the armpit as a result of a bacterial infection, such as from an infected hair follicle or sweat gland.
5. Breast cancer: In rare cases, a lump in the armpit can be a sign of breast cancer. Breast cancer can cause lymph nodes in the armpit to swell. However, most armpit lumps are not caused by breast cancer.
6. Allergic reactions: An armpit lump can sometimes be a reaction to a skin care product, deodorant, or other substance that comes into contact with the skin. Allergic reactions can cause the skin to swell and form lumps or hives.

These are just a few of the possible causes of armpit lumps. It’s important to consult with a healthcare provider for a proper evaluation and diagnosis if you notice any changes in your armpit area.

What is the treatment for an armpit lump?

The treatment for an armpit lump depends on the underlying cause. Some common treatments for armpit lumps include:

1. Warm compress: For lumps caused by swollen lymph nodes or minor infections, applying a warm compress to the affected area can help reduce swelling and promote drainage.
2. Antibiotics: If the lump is caused by a bacterial infection, such as an abscess, your healthcare provider may prescribe antibiotics to help clear the infection.
3. Steroid injections: In some cases, such as with certain skin conditions like hidradenitis suppurativa, steroid injections may be used to reduce inflammation and swelling.
4. Surgical drainage: For abscesses or other fluid-filled lumps, your healthcare provider may need to drain the fluid using a needle or make a small incision to drain the fluid.
5. Surgery: In some cases, such as with lipomas or certain types of cysts, surgical removal of the lump may be necessary.
6. Monitoring: If the lump is due to a harmless condition, such as a lipoma or swollen lymph node, your healthcare provider may recommend monitoring the lump over time to ensure it does not grow or change.

It’s important to consult with a healthcare provider for a proper diagnosis and treatment plan if you have an armpit lump. While most armpit lumps are harmless, some may require medical attention to prevent complications.