7 Underarm Pain Culprits: When Should You See a Doctor?

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30, Desember, 2025, 07:00:00
7 Underarm Pain Culprits: When Should You See a Doctor?

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Underarm discomfort, a sensation most of us experience at some point, can range from a mild annoyance to a sharp, debilitating pain. While often harmless and fleeting, persistent or severe underarm pain warrants attention. Understanding the potential causes empowers you to make informed decisions about your health and seek timely medical advice when necessary. This article delves into seven common culprits behind underarm pain, helping you discern when a doctor's visit is crucial.

1. Muscle Strain: The Overexertion Factor

One of the most frequent reasons for underarm pain is simple muscle strain. This often occurs due to overexertion during physical activities, especially those involving repetitive arm movements or heavy lifting. Think about that intense gym session, helping a friend move furniture, or even prolonged gardening. These activities can put a strain on the muscles surrounding the shoulder and armpit, leading to pain and discomfort.

The pain associated with muscle strain is typically localized to the affected area and may be accompanied by tenderness to the touch. You might also experience stiffness or limited range of motion in your shoulder or arm. In most cases, muscle strain resolves on its own with rest, ice, compression, and elevation (RICE). Over-the-counter pain relievers like ibuprofen or naproxen can also help manage the pain. However, if the pain is severe, doesn't improve after a few days, or is accompanied by other symptoms like numbness or weakness, it's essential to consult a doctor.

2. Lymph Node Issues: A Sign of Immune Activity

The underarm region is home to numerous lymph nodes, small bean-shaped structures that play a vital role in the immune system. These nodes filter lymph fluid, trapping bacteria, viruses, and other foreign invaders. When your body is fighting an infection, the lymph nodes in the affected area can become swollen and tender, leading to underarm pain.

Swollen lymph nodes are often a sign that your body is actively battling an infection, such as a cold, flu, or skin infection. In most cases, the swelling will subside as the infection clears. However, persistent or significantly enlarged lymph nodes, especially if accompanied by other symptoms like fever, night sweats, or unexplained weight loss, could indicate a more serious underlying condition, such as an autoimmune disorder or even cancer. In such cases, prompt medical evaluation is crucial.

3. Skin Irritation: From Shaving to Allergies

The delicate skin in the underarm area is susceptible to irritation from various sources. Shaving, waxing, or using depilatory creams can cause ingrown hairs, razor burn, or folliculitis (inflammation of hair follicles), all of which can lead to pain and discomfort. Allergic reactions to deodorants, antiperspirants, soaps, or detergents can also trigger skin irritation and inflammation in the underarm area.

To prevent skin irritation, use a sharp razor and shaving cream when shaving, and avoid shaving too frequently. Consider alternative hair removal methods like waxing or laser hair removal. Choose hypoallergenic and fragrance-free deodorants and antiperspirants to minimize the risk of allergic reactions. If you develop a rash or irritation, try using a topical corticosteroid cream to reduce inflammation. If the irritation persists or worsens, consult a dermatologist.

4. Hidradenitis Suppurativa: A Chronic Skin Condition

Hidradenitis suppurativa (HS) is a chronic inflammatory skin condition that affects areas with apocrine sweat glands, such as the underarms, groin, and buttocks. HS causes painful, boil-like lumps to form under the skin. These lumps can become infected, leading to abscesses, scarring, and significant discomfort.

The exact cause of HS is unknown, but it is believed to be related to a combination of genetic and environmental factors. There is no cure for HS, but various treatments can help manage the symptoms, including antibiotics, topical medications, and surgery. If you suspect you have HS, it's essential to see a dermatologist for diagnosis and treatment.

5. Brachial Plexus Injury: Nerve Damage

The brachial plexus is a network of nerves that originates in the neck and extends down the arm, controlling movement and sensation in the shoulder, arm, and hand. Injury to the brachial plexus, such as from a sports injury, car accident, or fall, can cause pain, numbness, weakness, or even paralysis in the affected arm and shoulder. The pain can radiate into the underarm area.

Brachial plexus injuries can range in severity from mild to severe. Mild injuries may heal on their own with rest and physical therapy. More severe injuries may require surgery to repair the damaged nerves. If you experience symptoms of a brachial plexus injury, it's crucial to seek medical attention promptly.

6. Angina: Referred Pain from the Heart

While less common, underarm pain can sometimes be a symptom of angina, chest pain caused by reduced blood flow to the heart. Angina is often described as a squeezing, pressure, or tightness in the chest, but it can also manifest as pain in the left arm, shoulder, jaw, or underarm. This is known as referred pain, where pain is felt in a location different from its source.

Angina is a serious condition that can be a warning sign of an impending heart attack. If you experience underarm pain accompanied by chest pain, shortness of breath, nausea, or dizziness, seek immediate medical attention. Early diagnosis and treatment of angina can help prevent a heart attack.

7. Cancer: A Rare but Serious Possibility

In rare cases, underarm pain can be a symptom of cancer, such as breast cancer or lymphoma. Breast cancer can sometimes spread to the lymph nodes in the underarm, causing them to swell and become painful. Lymphoma, a cancer of the lymphatic system, can also cause swollen lymph nodes in the underarm, neck, or groin.

While underarm pain is rarely the only symptom of cancer, it's important to be aware of the possibility. If you experience persistent or unexplained underarm pain, especially if accompanied by other symptoms like a lump in the breast, unexplained weight loss, night sweats, or fatigue, consult a doctor for evaluation. Early detection and treatment of cancer are crucial for improving outcomes.

When to See a Doctor: A Guide

While many cases of underarm pain are benign and resolve on their own, it's important to know when to seek medical attention. Consult a doctor if you experience any of the following:

  • Severe or persistent underarm pain that doesn't improve with home treatment
  • Swollen lymph nodes that are tender, hard, or fixed in place
  • Underarm pain accompanied by fever, night sweats, or unexplained weight loss
  • Underarm pain accompanied by chest pain, shortness of breath, nausea, or dizziness
  • A lump in the breast or underarm
  • Numbness, weakness, or paralysis in the arm or shoulder
  • Signs of infection, such as redness, swelling, pus, or fever

Early diagnosis and treatment can help prevent complications and improve your overall health. Don't hesitate to seek medical advice if you are concerned about your underarm pain.

Home Remedies for Mild Underarm Pain

For mild underarm pain caused by muscle strain or skin irritation, several home remedies can provide relief:

  • Rest: Avoid activities that aggravate the pain.
  • Ice: Apply ice packs to the affected area for 15-20 minutes at a time, several times a day.
  • Heat: After the initial inflammation subsides, apply heat to the area to relax the muscles.
  • Over-the-counter pain relievers: Take ibuprofen or naproxen to reduce pain and inflammation.
  • Topical creams: Apply a topical corticosteroid cream to reduce skin irritation and inflammation.
  • Proper hygiene: Keep the underarm area clean and dry to prevent infection.
  • Loose-fitting clothing: Wear loose-fitting clothing to avoid irritating the skin.

If your symptoms don't improve with home treatment, consult a doctor.

Prevention is Key

While not all causes of underarm pain are preventable, there are steps you can take to reduce your risk:

  • Warm up before exercise: Stretch and warm up your muscles before engaging in physical activity.
  • Use proper lifting techniques: When lifting heavy objects, use your legs and keep your back straight.
  • Avoid overexertion: Don't push yourself too hard during physical activities.
  • Use a sharp razor and shaving cream: When shaving, use a sharp razor and shaving cream to prevent skin irritation.
  • Choose hypoallergenic deodorants and antiperspirants: Select products that are less likely to cause allergic reactions.
  • Maintain a healthy weight: Obesity can increase the risk of hidradenitis suppurativa.
  • Practice good hygiene: Keep the underarm area clean and dry to prevent infection.

By following these tips, you can help prevent underarm pain and maintain your overall health.

Understanding the Lymphatic System's Role

The lymphatic system, a crucial part of the immune system, plays a significant role in underarm pain. As mentioned earlier, lymph nodes are concentrated in the underarm region. These nodes act as filters, trapping harmful substances like bacteria, viruses, and cancerous cells. When the body is fighting an infection or dealing with abnormal cells, the lymph nodes can become enlarged and tender, causing pain. Understanding this connection is vital for recognizing potential health issues.

It's important to note that swollen lymph nodes are not always a cause for alarm. They often indicate a normal immune response to an infection. However, persistent or unusually large lymph nodes, especially those accompanied by other concerning symptoms, should be evaluated by a doctor. A thorough examination can help determine the underlying cause and guide appropriate treatment.

The Psychological Impact of Chronic Pain

Chronic underarm pain, like any form of chronic pain, can have a significant impact on mental and emotional well-being. Persistent pain can lead to anxiety, depression, and difficulty sleeping. It can also interfere with daily activities, work, and social interactions. It's crucial to address both the physical and psychological aspects of chronic pain to improve quality of life.

If you are experiencing chronic underarm pain, consider seeking support from a therapist or counselor. Cognitive behavioral therapy (CBT) and other psychological therapies can help you develop coping mechanisms for managing pain and improving your mental health. Support groups can also provide a sense of community and understanding.

The Importance of Self-Examination

Regular self-examination of the underarm area can help you detect any abnormalities early on. This includes checking for lumps, swelling, or changes in skin texture. While self-examination is not a substitute for regular medical checkups, it can empower you to be proactive about your health and identify potential problems early.

To perform a self-examination, stand in front of a mirror and raise your arms overhead. Look for any visible changes in the underarm area. Then, use your fingers to gently feel for any lumps or swelling. Repeat the process with your arms at your sides. If you notice any abnormalities, consult a doctor for evaluation.

Navigating the Diagnostic Process

If you consult a doctor for underarm pain, they will likely perform a physical examination and ask about your medical history and symptoms. Depending on the suspected cause, they may also order additional tests, such as:

  • Blood tests: To check for signs of infection or inflammation.
  • Imaging tests: Such as X-rays, ultrasound, or MRI, to visualize the tissues and structures in the underarm area.
  • Lymph node biopsy: To examine a sample of lymph node tissue under a microscope.
  • Mammogram: To screen for breast cancer.

The diagnostic process can sometimes be lengthy and complex, but it's essential for determining the underlying cause of your underarm pain and guiding appropriate treatment. Be patient and communicate openly with your doctor throughout the process.

Living with Underarm Pain: Management Strategies

Living with chronic underarm pain can be challenging, but there are strategies you can use to manage your symptoms and improve your quality of life:

  • Pain management techniques: Such as medication, physical therapy, and alternative therapies like acupuncture or massage.
  • Lifestyle modifications: Such as avoiding activities that aggravate the pain, maintaining a healthy weight, and practicing good posture.
  • Stress management techniques: Such as yoga, meditation, or deep breathing exercises.
  • Support groups: To connect with others who are experiencing chronic pain.

Remember that you are not alone, and there are resources available to help you manage your underarm pain and live a fulfilling life.

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