
When Your Breast Feels Like It Is on Fire
You wake up and something feels very wrong. One side of your chest is hot, red, and throbbing. You have a fever. Your whole body aches like you are coming down with the flu. And on top of everything, you still have a baby who needs to feed.
This is mastitis. And it is more common than most people realise.
Mastitis breastfeeding treatment can feel confusing and even frightening, especially if nobody warned you it might happen. But here is the truth: most cases of mastitis can be managed well at home, with the right steps taken early. And in almost every case, you can and should keep breastfeeding.
This guide covers everything you need to know. What mastitis actually is, how to tell if that lump is a blocked duct or something more serious, what to do at home, and when to head to the doctor. We have also included some Singapore-specific context because the way we live here does affect our breastfeeding journey in real ways.
You can also find more practical support through our breastfeeding resources if you need it.
What Is Mastitis and Why Does It Happen
Mastitis is inflammation of the breast tissue. It can happen with or without a bacterial infection.
Non-infectious mastitis is caused by milk stasis. This means milk has been sitting in the breast for too long and the tissue around it has become inflamed. It often starts as a blocked duct that was not cleared in time.
Infectious mastitis happens when bacteria, usually Staphylococcus aureus, enter the breast tissue through a crack or graze on the nipple. This type usually causes a higher fever and more intense symptoms.
Both types need attention. And both types are more likely to happen when feeding schedules get disrupted, when the latch is shallow, or when a blocked duct is left too long.
Around one in ten breastfeeding mothers will experience mastitis. The risk is highest in the first six weeks after birth, but it can happen at any stage of your breastfeeding journey.
Blocked Duct, Mastitis, or Breast Abscess: What Is the Difference
These three conditions exist on a spectrum. Knowing where you are on that spectrum helps you decide what to do next.
| Condition | Symptoms | What To Do |
|---|---|---|
| Blocked Duct | Tender lump, localised soreness, no fever | Nurse frequently, warm compress, gentle massage |
| Mastitis | Red, hot, swollen area, fever above 38°C, flu-like aches, fatigue | Continue nursing, rest, see a doctor if symptoms persist beyond 12 to 24 hours |
| Breast Abscess | Fluctuant (fluid-filled) lump, persistent high fever, severe pain that is not improving | See a doctor immediately. May require drainage or further treatment |
A blocked duct that is not cleared can become mastitis. Mastitis that is not treated can progress to a breast abscess. This is why early action matters so much.
If you are unsure or symptoms are worsening, please do not wait. Reach out to a healthcare provider. Our IBCLC-certified team is also here to help you navigate what you are experiencing.
Mastitis Symptoms to Watch For
You do not need to have all of these to have mastitis. But if you notice a few together, take it seriously.
- One breast feels hot, hard, or unusually tender
- You can see redness or a warm patch on the skin
- Fever of 38°C or higher
- Body aches and chills, similar to the flu
- Fatigue that feels sudden and heavy
- Feeding from that breast feels painful in a new way
Sometimes mastitis comes on very fast. You can feel fine in the morning and be floored by the afternoon. Trust your body. If something feels off, act early.
Mastitis Breastfeeding Treatment: What to Do at Home
The single most important thing you can do when mastitis hits is to keep the milk moving. Stopping breastfeeding will make things worse, not better. The WHO breastfeeding guidelines and most lactation experts agree: continuing to nurse from the affected breast is safe and recommended.
Step 1: Keep Feeding or Expressing from the Affected Side
Nurse as often as your baby will go to the breast. If feeding is too painful at first, gently hand express a little to soften the area before latching. The goal is to keep milk draining regularly.
Step 2: Apply Warmth Before Feeding
A warm face towel, warm shower, or gel pack placed on the breast for a few minutes before each feed can help encourage your let-down and make milk flow more easily.
Step 3: Use Cold After Feeding
After the feed, a cold pack wrapped in a cloth can help reduce swelling and ease the aching. Even chilled cabbage leaves placed inside your bra can offer some relief between feeds.
Step 4: Try the Haakaa Warm Soak Method
Many Singapore mothers swear by this. Fill a Haakaa or similar silicone collector with warm water and a teaspoon of Epsom salt. Place it over the affected breast and let the gentle suction draw the blockage out. It is soothing and often very effective for stubborn blocked ducts in the early stages.
Step 5: Massage Very Gently
Light strokes toward the nipple while feeding or after a warm compress can help move things along. Avoid aggressive kneading. Deep tissue massage can worsen inflammation and is no longer recommended by most lactation consultants.
Step 6: Rest. Really Rest.
We know this is hard in Singapore. But rest is treatment. Your immune system is working hard. If you have a confinement nanny, family support, or a partner who can take over for a few hours, accept that help. If your baby is in infant care, use that time to sleep.
Step 7: Stay Hydrated and Eat Well
Your body needs fuel to recover. Warm soups, whole foods, and plenty of water make a real difference. If you are looking for something nourishing that also supports your breastfeeding journey, our lactation cookies Singapore are made with oats, flaxseed, and brewer’s yeast. They are gentle on your system and easy to reach for when cooking feels like too much.
When to See a Doctor in Singapore
Home care is a good starting point. But please do not try to push through indefinitely on your own.
See a doctor if:
- Your fever is above 38.5°C
- Symptoms are not improving after 12 to 24 hours of home care
- The redness is spreading or the lump is growing
- You feel a soft, fluid-filled lump developing
- You feel very unwell or the pain is severe
Your GP at any polyclinic can assess you and prescribe antibiotics if needed. The most commonly prescribed antibiotics for mastitis in Singapore are flucloxacillin or erythromycin. Both are considered safe while breastfeeding. Do finish the full course even if you feel better quickly.
For more complex cases or recurring mastitis, KK Women’s and Children’s Hospital (KKH) and National University Hospital (NUH) both have lactation consultant services. The Breastfeeding Mothers’ Support Group (BMSG) Singapore is also a wonderful peer support resource.
A Note on Confinement Advice
Some confinement nannies and older relatives may advise you to stop breastfeeding if you develop mastitis. This is outdated advice. Stopping suddenly will make the blockage worse, increase your risk of a breast abscess, and disrupt your supply.
We understand these conversations can be sensitive, especially when you are exhausted and unwell. If you need help navigating this or want evidence-based guidance, our lactation team is here for you.
How to Prevent Mastitis: Practical Steps for Singapore Mums
Prevention really does make a difference. Here are the habits that matter most.
Get the Latch Right
A shallow latch is one of the most common causes of blocked ducts and mastitis. When your baby does not take enough of the breast, the milk is not drained fully and certain areas are left stagnant. If your latch feels painful or your nipples are cracking, seek support early. Cracked nipples also create an entry point for bacteria.
Feed Frequently and Do Not Skip Sessions
Try not to go longer than three to four hours between feeds or expressing sessions during the early months. Singapore’s busy lifestyle can make this hard, especially around return-to-work time. But consistency in draining the breast is your best prevention.
Vary Your Feeding Positions
Different positions drain different parts of the breast. If you always feed in the same position, some areas may not empty as well over time.
Wear the Right Bra
An underwire bra or a bra that is too tight can compress ducts and create blockages. This is especially worth watching in Singapore’s heat, when you may be tempted to layer up in heavily air-conditioned spaces. A well-fitted, non-underwired nursing bra makes a real difference.
Treat Nipple Damage Promptly
Cracked or grazed nipples need attention. Pure lanolin cream or expressed breast milk can both help with healing. Do not leave raw skin untreated.
Manage Stress Where You Can
Stress suppresses your let-down reflex, which can contribute to milk stasis. We know stress is part of life in Singapore. Even small moments of calm, a quiet feed without your phone, a short walk, a warm shower, can help your body do its job more easily.
Consider Sunflower Lecithin for Recurring Blockages
If you keep getting blocked ducts in the same spot, sunflower lecithin supplements are often recommended by lactation consultants. They help emulsify the fat in milk and make it less sticky. Speak to your doctor or IBCLC before starting any supplement.
Nutrition During Recovery
Your body is fighting inflammation and trying to maintain your milk supply at the same time. What you eat genuinely matters during recovery.
Focus on anti-inflammatory foods like oats, leafy greens, ginger, and foods rich in omega-3s. Stay well hydrated. Rest when you can.
If you are too exhausted to cook or eat properly, having something nourishing and easy to hand helps. Our SLB lactation bakes are made to nourish and comfort mums at every stage of their breastfeeding journey, including the harder days.
Frequently Asked Questions
Can I still breastfeed with mastitis?
Yes. Continuing to nurse from the affected breast is safe for your baby and is actually one of the most important parts of treatment. Stopping suddenly can make things significantly worse.
How long does mastitis take to heal?
With prompt home care, mild mastitis can begin to improve within 24 to 48 hours. If antibiotics are needed, most mothers feel noticeably better within two to three days. Complete the full course of antibiotics even if symptoms ease early.
Do I need antibiotics for mastitis in Singapore?
Not always. Non-infectious mastitis can sometimes resolve with good drainage and rest. But if you have a fever, symptoms are not improving, or you feel very unwell, see a GP. Your nearest polyclinic is usually the easiest first step.
Is mastitis dangerous for my baby?
No. Even if your milk contains some bacteria, your baby’s digestive system can handle this. Your milk also contains antibodies that help protect your baby. Continuing to breastfeed is safe.
What happens if mastitis is left untreated?
Untreated mastitis can develop into a breast abscess, which is a collection of pus in the breast tissue. This is more serious and may require drainage by a doctor. It is much better to act early.


