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Why do my lymph nodes hurt in my armpit while breastfeeding?

Understanding Lymph Node Pain in the Armpit During Breastfeeding
Experiencing pain in the lymph nodes located in the armpit while breastfeeding can be concerning for many new mothers. This discomfort often stems from a combination of physiological changes and potential complications associated with breastfeeding.
The Role of Lymph Nodes
Lymph nodes are small, bean-shaped structures that play a crucial role in the body’s immune system. They filter lymph fluid and help the body fight infections. When the body detects an infection or inflammation, lymph nodes can become swollen and tender as they work harder to combat the issue. This swelling is particularly common in areas like the armpits, where lymph nodes are densely packed.
Mastitis: A Common Culprit
One of the most frequent causes of lymph node pain in breastfeeding mothers is mastitis, an inflammation of breast tissue that can occur due to infection. Mastitis is especially prevalent during the first six months of breastfeeding, often affecting women in the early weeks after childbirth. Symptoms may include breast pain, swelling, redness, and sometimes fever. As the body responds to this inflammation, the lymph nodes in the armpit may also swell and become painful.
Engorgement and Breast Tissue Changes
Another factor contributing to lymph node discomfort is engorgement, which occurs when the breasts become overly full with milk. This condition is particularly common when a mother’s milk supply is being established or if breastfeeding sessions are missed. The breast tissue extends into the armpit, and when it becomes engorged, it can lead to swollen lymph nodes in that area. This engorgement can cause tenderness and pain, making it uncomfortable for mothers.
Other Considerations
While mastitis and engorgement are common causes, other factors can also lead to lymph node pain. For instance, infections unrelated to breastfeeding, such as viral infections or localized skin infections, can cause lymph nodes to swell. Additionally, physical strain or muscle issues in the shoulder or upper arm can sometimes be mistaken for lymph node pain.
What to Do About It
If you are experiencing painful lymph nodes in your armpit while breastfeeding, it is essential to monitor your symptoms. Applying warm compresses can help alleviate discomfort, and ensuring proper breastfeeding techniques can reduce the risk of engorgement and mastitis. If symptoms persist or worsen, consulting a healthcare professional is advisable to rule out any serious conditions and to receive appropriate treatment.
In summary, while lymph node pain in the armpit during breastfeeding can be alarming, it is often linked to common issues like mastitis and engorgement. Understanding these causes can help mothers manage their symptoms effectively and continue their breastfeeding journey with greater comfort.

How to unclog a blocked milk duct?

Some of the best ways to clear a clogged milk duct are easily remembered by the acronym B.A.I.T:

  1. Breast rest: Don’t over massage or overfeed.
  2. Advil: 800 milligrams (mg) every eight hours for 48 hours.
  3. Ice: Apply for 10 minutes at a time while laying on your back.
  4. Tylenol: 1,000 mg every 8 eight hours for 48 hours.

What does a blocked milk duct feel like?

A plugged milk duct feels like a tender, sore lump or knot in the breast. It happens when a milk duct does not drain properly. Pressure builds up behind the plugged duct, and the tissue around it gets irritated. This usually happens in one breast at a time.

Why do my lymph nodes hurt in my armpit and breast?

Typically, lymph nodes swell in response to an infection, such as mastitis or mono. In rarer cases, they can swell due to cancer or autoimmune disease. When lymph nodes in the armpit swell, it’s called axillary lymphadenopathy.

When should I worry about armpit lymph nodes?

See your doctor if you’re concerned or if your swollen lymph nodes: Have appeared for no apparent reason. Continue to enlarge or have been present for two to four weeks. Feel hard or rubbery, or don’t move when you push on them.

Can mastitis start under armpit?

Similar to when the body is fighting any infection, like a cold or COVID-19, mastitis can also lead to swollen lymph nodes, most commonly under the arms or around the neck.

Is it normal for your armpits to hurt while breastfeeding?

Engorgement in the armpits most frequently occurs early in breastfeeding, while milk supply is being established. “It is breast tissue that doesn’t drain well and for that reason, the engorgement is primarily experienced when the milk first comes in.

Can breastfeeding cause swollen lymph nodes in armpits?

These first symptoms may start after you have reopened a blocked milk duct. Signs that mastitis is getting worse include swollen and painful lymph nodes in the armpit next to the infected breast, a fast heart rate, and flu-like symptoms that get worse.

What does a blocked milk duct feel like in armpit?

A firm or hard lump in the breast is most likely a plugged duct. It may occur anywhere in the breasts including in the underarm area. The lumps may be single or multiple, pea-sized or may be as large as 2-3 inches across. You may feel pain with plugged ducts and may also notice that your breasts do not empty very well.

Can a bra cause swollen lymph nodes in armpit?

A tight bra in fact may restrict the flow of lymph to the many important lymph nodes around the breast and armpit, hindering the system’s vital function of flushing toxic waste-products from the body.

How to tell the difference between a clogged milk duct and a lump?

Differentiating Clogged Ducts from Breast Cancer
They may change in size with hormonal fluctuations and are often not associated with pain. On the other hand, malignant lumps are typically firm, irregularly shaped, and may feel fixed to the surrounding tissue.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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