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How dangerous is a blocked milk duct with pus, and how to treat it safely?

Health and Life Magazine - Blocked milk ducts are a common condition in postpartum women. Blocked milk ducts with pus are a sign of breast infection and need to be treated early to avoid complications.

Báo Sức khỏe Đời sốngBáo Sức khỏe Đời sống12/12/2025

Content
  • How dangerous is a blocked milk duct with pus?
  • Why can blocked milk ducts cause pus to form?
  • Consequences of blocked milk ducts with pus.
  • Treatment for blocked milk ducts with pus
  • Preventing mastitis with pus formation.

How dangerous is a blocked milk duct with pus?

Blocked milk ducts are a common condition in postpartum women. However, when pus forms in the blocked area, it is no longer simply a blocked milk duct but could be a breast infection or breast abscess . If left untreated, this condition can cause serious complications, affecting the mother's health and the breastfeeding process.

Signs of blocked milk ducts with pus

  • Breast swelling, warmth, and localized redness.
  • Pain increases, with a stinging sensation upon touch.
  • There is a hard lump that doesn't soften even after massage.
  • Fever, chills, fatigue
  • The expressed milk has an unusual smell, is cloudy yellow in color, or contains pus.
  • Thin, taut breast skin with a central tender spot (a sign of an abscess).

When pus appears or a high fever occurs, patients should not attempt self-treatment at home but should seek medical attention immediately.

Tắc tia sữa là tình trạng thường gặp ở phụ nữ sau sinh. Ảnh minh hoạ

Blocked milk ducts are a common condition in postpartum women. (Illustrative image)

Why can blocked milk ducts cause pus to form?

Blocked milk ducts form when milk remains stagnant in the milk ducts for an extended period. If not treated properly, bacteria can enter through the nipple or small cracks in the skin, causing infection and the accumulation of pus in the breast tissue.

Common causes include:

  • The baby doesn't finish all the milk or doesn't latch on correctly.
  • The mother rarely expresses/breastfeeds, causing milk to stagnate for a long time.
  • Breasts are compressed by the bra or sleeping position.
  • Cracked nipples allow bacteria to enter.
  • Immune system weakened after childbirth

Consequences of blocked milk ducts with pus.

1. Risk of infection spreading

If bacteria multiply rapidly, the inflamed area can spread to adjacent tissue, causing cellulitis, which is characterized by swelling, redness, heat, and increasing pain.

2. Formation of breast abscess

An abscess is a pocket of pus located within the breast tissue. This is a dangerous complication that often causes:

  • Severe pain
  • High fever
  • Difficulty breastfeeding
  • Swelling and significant pressure. Many cases require fluid aspiration or surgical intervention.

3. Reduced milk production

Prolonged inflammation affects the function of the mammary glands, potentially reducing milk production or causing temporary loss of milk supply.

4. Increased risk of discontinuing breastfeeding.

Pain, fever, and stress make it difficult for mothers to maintain breastfeeding, affecting the child's nutrition and immunity.

5. Systemic complications if left untreated.

In severe cases, the infection can spread into the bloodstream, causing sepsis – a rare but dangerous condition.

Treatment for blocked milk ducts with pus

1. See a specialist as soon as possible.

The doctor will perform a clinical examination and breast ultrasound to determine the extent of inflammation or the potential for abscess formation.

2. Treatment with medication

Depending on the condition, the doctor may prescribe:

  • Antibiotics suitable for breastfeeding women
  • Pain relievers, fever reducers
  • Guide to nipple hygiene and breast care

Never buy antibiotics on your own, as this can lead to antibiotic resistance or harm your breastfeeding baby.

Aspiration or drainage of the abscess.

If an abscess has formed, the doctor will perform the following procedure:

  • Ultrasound-guided needle aspiration or incisional drainage is used in cases of large abscesses. This is a common, safe method that provides rapid pain relief.

Continue breastfeeding or expressing milk.

  • If the inflammation does not affect the nipple, the mother can still breastfeed from the uninfected breast.
  • If the breast is inflamed: you may express milk as directed to reduce engorgement, depending on your doctor's assessment.

This helps prevent further blockage of milk ducts and maintains milk supply for the baby.

Home care as directed by professionals.

  • Apply a warm compress to relieve pain (do not use a hot compress if there is pus).
  • Wear a comfortable bra.
  • Clean the nipples with warm water.
  • Drink plenty of water, get enough rest, and maintain good nutrition.
Tắc tia sữa có mủ là tình trạng nhiễm trùng vú cần được xử lý kịp thời để tránh biến chứng áp-xe và ảnh hưởng đến sức khỏe của mẹ. Ảnh minh hoạ

Blocked milk ducts with pus are a breast infection that requires prompt treatment to avoid complications such as abscesses and adverse effects on the mother's health. (Illustrative image)

Preventing mastitis with pus formation.

  • Ensure your baby latches correctly and feeds equally from both sides.
  • Express breast milk if your baby is feeding infrequently or if you are working.
  • Avoid bras that are too tight.
  • Clean the breasts gently, avoiding harsh rubbing.
  • Early treatment is necessary when initial signs of blocked milk ducts appear.

Blocked milk ducts with pus are a breast infection that requires prompt treatment to avoid complications such as abscesses and adverse effects on the mother's health. When symptoms such as severe pain, fever, pus, or redness and swelling of the breast appear, patients should seek medical attention for proper diagnosis and treatment.

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Source: https://suckhoedoisong.vn/tac-tia-sua-co-mu-nguy-hiem-nhu-the-nao-va-cach-xu-ly-an-toan-169251207215925817.htm


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