Armpit Pain During Pregnancy: Causes and Remedies

Armpit pain is a surprisingly common experience during pregnancy and is usually nothing to worry about. While it can be uncomfortable, it often results from hormonal changes, increased breast tissue, or body adjustments.

If your armpit pain is intense, long-lasting, or getting worse, talk to your doctor for reassurance and proper care.

Is it normal to have Armpit Pain while pregnant?

Armpit pain can happen during pregnancy and is usually nothing to worry about. It’s often more common in the first trimester as your body adjusts to hormonal changes. Mild discomfort is typical, but if the pain is severe, persistent, or comes with swelling, check in with your doctor.

Armpit Pain during different trimesters in pregnancy

Trimester What to Expect Possible Causes
1st Trimester You might notice mild armpit discomfort as your body adjusts to early pregnancy changes. Hormonal shifts, Breast tissue changes, Lymph node sensitivity, Stress
2nd Trimester Armpit pain can persist or develop as your breasts grow and blood flow increases. Increased breast size, Blood flow changes, Deodorant sensitivity, Mild fluid retention
3rd Trimester Heaviness or swelling in the armpit may occur as your body prepares for birth. Fluid retention, Pressure from enlarged breasts, Restricted movement, Sweating or skin irritation

What causes Armpit Pain during pregnancy?

There are several reasons why you might experience Armpit Pain while pregnant. Some are directly related to pregnancy, while others can happen anytime – pregnant or not.

Common pregnancy-related causes:

  • Breast tissue changes – Hormonal swelling extends to armpit
  • Enlarged lymph nodes – Immune response or fluid retention
  • Blocked sweat glands – Increased sweating or gland activity
  • Round ligament pain – Ligament tension radiates to armpit

Other possible causes:

  • Mild infection – Localized bacterial or viral infection
  • Muscle strain – Overuse or poor posture pain
  • Shaving/skin irritation – Skin sensitivity increases inflammation
  • Cysts or lipomas – Benign lumps causing localized pain

Remedies for Armpit Pain during pregnancy

There are some things you can do to feel better faster and stay safe:

Natural remedies at home

  • Apply warm compress – Relieves soreness and improves circulation
  • Wear loose, breathable clothing – Reduces friction and irritation
  • Practice gentle arm stretches – Eases muscle tension and stiffness
  • Use fragrance-free deodorant – Prevents skin irritation or allergic reactions
  • Rest and elevate arm – Minimizes swelling and discomfort

Medication (talk to your doctor first)

  • Use acetaminophen if approved – For pain relief, pregnancy-safe
  • Avoid ibuprofen and aspirin – Not recommended during pregnancy
  • Consult your doctor for persistent pain – Rule out serious causes

Important: Always talk to your doctor before taking any medicine during pregnancy.

Take care of you (and baby, too)

Pregnancy can come with some unexpected symptoms – but you don’t have to manage them alone.

From soothing teas to tummy-friendly snacks, Bump Boxes delivers safe, mom-approved products tailored to your trimester. Each monthly box is curated to help you feel better, stay nourished, and enjoy the journey.

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FAQs

1. When should you be concerned about armpit pain?

You should be concerned about armpit pain during pregnancy if it is severe, persistent, accompanied by a lump, redness, fever, or swelling, or if it interferes with daily activities. These symptoms could indicate an infection or another serious condition. Contact your healthcare provider for a proper diagnosis and treatment.

2. Is armpit pain harmful to the baby?

Armpit pain during pregnancy is usually not harmful to the baby. It is often caused by hormonal changes, swollen lymph nodes, or increased breast tissue. However, if the pain is severe or associated with other symptoms, consult your doctor to ensure there are no underlying health concerns affecting you or your baby.

3. What can I take for armpit pain during pregnancy?

For armpit pain during pregnancy, apply a warm compress, wear supportive bras, and rest. Over-the-counter pain relief like acetaminophen is generally considered safe but always consult your healthcare provider before taking any medication. Avoid self-medicating to ensure the safety of both you and your baby.

4. When is armpit pain worse in pregnancy?

Armpit pain is often worse during the first and third trimesters of pregnancy, when hormonal changes and breast tissue growth are most pronounced. Increased blood flow and fluid retention can also contribute to discomfort. If pain worsens or is persistent, speak with your healthcare provider for personalized advice.

5. How long will I have armpit pain during pregnancy?

Armpit pain during pregnancy may last from a few days to several weeks, depending on the underlying cause. It often improves as your body adapts to hormonal changes. If the pain persists throughout pregnancy or worsens, consult your healthcare provider to rule out infections or other medical conditions.

6. What foods help with armpit pain during pregnancy?

Eating foods rich in anti-inflammatory properties, such as leafy greens, berries, fatty fish, and whole grains, may help reduce armpit pain during pregnancy. Staying hydrated and consuming foods high in vitamin C and antioxidants can also support immune health and reduce discomfort. Always consult your doctor about diet changes.

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