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Why does my armpit hurt while breastfeeding?

Understanding Armpit Pain During Breastfeeding
Breastfeeding is a profound experience for many mothers, but it can also come with unexpected physical challenges. One such issue that some women encounter is pain in the armpit area while nursing. This discomfort can stem from several physiological changes that occur in the body during this period.
The Role of Breast Tissue and Milk Ducts
As the body prepares for breastfeeding, it undergoes significant changes, particularly in the breast and surrounding areas. One of the lesser-known phenomena is the swelling of breast tissue that extends into the armpits. This occurs because the milk ducts can sometimes extend into the armpit area, leading to pain and swelling when they become engorged with milk. This condition can be particularly pronounced in the early weeks of breastfeeding when the body is still adjusting to the demands of milk production.
Mastitis and Inflammation
Another potential cause of armpit pain during breastfeeding is mastitis, an inflammation of breast tissue that can occur due to infection or blocked milk ducts. Mastitis is most common in the first six months of breastfeeding, especially during the initial weeks when the baby is learning to latch and feed effectively. Symptoms can include localized pain, swelling, and sometimes fever, which may also radiate to the armpit area.
Swollen Armpits: A Rare Side Effect
In some cases, mothers have reported swollen armpits filled with breast milk, a condition that can lead to significant discomfort. This unusual side effect highlights the complex nature of breastfeeding and the body’s adaptations. While it may sound alarming, it is often a benign issue related to the body’s milk production and distribution system.
Addressing the Pain
If you’re experiencing armpit pain while breastfeeding, it’s essential to monitor the symptoms. If the pain is accompanied by fever, redness, or a hard lump, it may be wise to consult a healthcare professional to rule out mastitis or other complications. For milder cases, ensuring proper breastfeeding techniques and frequent nursing can help alleviate engorgement and reduce discomfort.
Conclusion
While armpit pain during breastfeeding can be concerning, understanding its causes can help demystify the experience. From the swelling of breast tissue to the potential for mastitis, these issues are part of the body’s remarkable adaptation to nurturing a new life. If the pain persists or worsens, seeking medical advice is always a prudent step to ensure both mother and baby remain healthy and comfortable.

How do you know if you have a clogged milk duct in your 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.

What does a clogged mammary gland feel like?

A clogged milk duct occurs when a milk passage in the breast becomes blocked, impeding the flow of milk. This condition is often characterized by pain, tenderness, redness, and swelling in the affected area. Some women describe it as a localized heat sensation.

Why do my armpits hurt postpartum?

If you have auxiliary accessory breast tissue, you may have noticed swelling or tenderness in your armpit during puberty, menstruation, or after delivery. In response to the decrease in progesterone, your armpit may have become engorged and painful a few days after delivery.

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.

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

Breast tissue extends to the armpit, so you may notice a swollen lymph node as a result of engorgement or an infection, like mastitis. See your doctor if you’re concerned about a swollen lymph node. They may prescribe antibiotics, or recommend an ultrasound or further treatment.

Does breastfeeding affect your armpits?

All things considered, milk being created in your armpit is just another strange thing that can happen during breastfeeding. But if you’re not expecting it? Talk about an unwelcome surprise. Luckily, pitties are harmless and usually resolve easily, so try to stay calm if you wake up one morning with bulging pits.

What does a clogged milk duct feel like?

A plugged milk duct feels like a sore lump in the breast. Some mothers seem to be more likely to get them. Usually they go away within a few days without doing anything. They often happen when a mother makes more milk than normal.

What helps armpit pain from breastfeeding?

Use a cold compress for pain and swelling.
Put ice or a cold pack on the area for 10 to 20 minutes at a time. Put a thin cloth between the ice and your skin.

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.

Can breastfeeding hurt even with a good latch?

It may look like your baby is well latched from the outside but your nipple may still be getting pinched. If you have tried to improve the positioning and latch but you still feel intense pain, seek help. Some discomfort when latching in the early days is common as you and your baby are learning.

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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