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What is Mastitis? How to treat, spot and plan.

Mastitis in dogs refers to the inflammation of the mammary glands. It is a condition that primarily affects female dogs that are nursing a litter of puppies but can also occur in non-pregnant dogs. Here's a breakdown of the condition:


Causes: One of the most common causes is bacterial infection, which can enter the mammary gland through cracked or damaged nipples, especially during nursing when puppies may inadvertently cause minor injuries. Poor hygiene in the whelping area may contribute to the spread of bacteria, elevating the risk for mastitis. Hormonal changes related to pregnancy and nursing can also make the mammary glands more susceptible to infection. Additionally, blocked milk ducts can create an environment conducive to bacterial growth, leading to inflammation. In some instances, underlying health conditions like diabetes may predispose a dog to mastitis. Understanding these various causes is essential for prevention and effective treatment.


If you suspect your dog has mastitis, it's essential to seek veterinary care promptly. Early detection and treatment can help in preventing complications and ensuring the well-being of both the mother and her puppies.




Treating Mastitis


How is Mastitis in dogs treated? Mastitis in dogs, an inflammation of the mammary glands, requires prompt veterinary attention to ensure effective treatment and to prevent complications. Here's an overview of the treatment approach for mastitis in dogs:

  1. Antibiotics: The primary treatment for mastitis, especially when caused by bacterial infections, is antibiotics. The specific antibiotic prescribed will depend on the type of bacteria causing the infection. A vet might take a milk sample to identify the specific bacteria and determine the best antibiotic.

  2. Pain Relief and Anti-inflammatories: Nonsteroidal anti-inflammatory drugs (NSAIDs) might be prescribed to reduce swelling and pain in the affected gland.

  3. Warm Compresses: Applying a warm compress to the inflamed mammary gland several times a day can help reduce swelling and pain. This can also promote drainage and help in the expression of accumulated milk or pus.

  4. Frequent Milking or Expression: Ensuring the mammary gland is emptied regularly can prevent milk stasis and further bacterial growth. In some cases, it might be necessary to separate the puppies temporarily to allow the affected gland to heal, while in other instances, continued nursing can be beneficial. Always consult with a veterinarian on the best approach.

  5. Surgery: In severe cases or when abscesses form, surgical drainage or removal of dead tissue might be required. If an abscess has formed, it may need to be lanced and drained.

  6. Supportive Care: This can include fluids if the dog is dehydrated and nutritional support to ensure she remains strong, especially if she continues to nurse her puppies.

  7. Puppy Care: If the mother is unable to nurse her puppies temporarily or permanently, you may need to hand-feed the puppies with a suitable milk replacer. It's essential to ensure puppies continue to receive adequate nutrition.

  8. Regular Monitoring: After starting treatment, regular check-ups might be required to monitor the progress of healing and to ensure there aren't any complications.

As with any health condition, the specific treatment approach for mastitis will depend on the severity of the infection, the dog's overall health, and whether there are any underlying conditions. Always consult with a veterinarian if you suspect your dog has mastitis to get an accurate diagnosis and appropriate treatment.


How can you spot Mastitis in dogs? Mastitis in dogs is an inflammation of the mammary glands, often due to an infection. Spotting it early is vital for prompt treatment and the well-being of both the mother and her puppies. Here are signs and symptoms to help you identify mastitis in dogs:

  1. Swelling: One or more of the mammary glands may appear swollen or enlarged compared to others.

  2. Redness or Discoloration: The affected mammary gland may become red or have a bluish tint due to inflammation.

  3. Warmth: The inflamed mammary gland might feel warmer to the touch compared to the others.

  4. Pain: The affected area is often tender, and the dog may flinch or vocalize when it's touched. She may also show signs of discomfort or pain when nursing.

  5. Abnormal Milk Discharge: The milk from the infected gland may appear bloody, watery, or pus-like. Sometimes, there might be no milk production from the affected gland at all.

  6. Firm or Hardened Gland: The gland may feel hard or firm when palpated.

  7. Lethargy: The dog may appear more tired than usual or less active.

  8. Fever: A higher body temperature than normal can indicate an infection.

  9. Loss of Appetite: The dog might eat less than usual or show a decreased interest in food.

  10. Behavioral Changes: She may be more irritable, especially when her puppies try to nurse from the affected gland. Alternatively, she might avoid letting the puppies nurse altogether.

  11. Visible Abscesses: In more severe cases or if mastitis has progressed, abscesses can form on the mammary gland, visible as raised, pus-filled pockets.

If you notice any of these signs in your dog, especially if she has recently given birth or is nursing, it's essential to consult a veterinarian promptly. Early intervention can help in preventing complications and ensuring the well-being of the mother and her puppies.


How to plan ahead incase your dog gets Mastitis? Planning ahead in case your dog gets mastitis is a smart move, especially if you have a breeding female. Taking preventive measures and being prepared for potential problems can ensure the well-being of both the mother and her puppies. Here's how you can plan:

  1. Education: Familiarize yourself with the symptoms of mastitis so you can recognize them early. The sooner you detect mastitis, the better the outcome is likely to be.

  2. Postpartum Examination: After your dog gives birth, have her examined by a veterinarian to ensure everything looks healthy, including her mammary glands.

  3. Regular Monitoring: Check your dog's nipples and mammary glands daily for signs of redness, swelling, warmth, or discharge, especially during the first few weeks after giving birth.

  4. Proper Nursing Environment: Ensure the area where the mother nurses her puppies is clean and dry. This reduces the risk of bacterial contamination.

  5. Puppy Nail Trimming: Regularly trim the puppies' nails to prevent them from scratching or injuring the mother's nipples, which can be an entry point for bacteria.

  6. Have Supplies Ready: It's a good idea to have certain supplies on hand:

    • Warm compresses or a warm cloth.

    • Antiseptic wipes or solution to clean any visible injuries or wounds on the mammary glands.

    • A milk replacer suitable for puppies in case the mother cannot nurse for some time.

    • Bottles and teats for feeding puppies if needed.


  1. Vet Contact: Always have your veterinarian's contact information easily accessible. It's also wise to know where the nearest emergency vet clinic is located.

  2. Pet Insurance: Consider getting pet insurance or setting aside a dedicated savings fund for unexpected veterinary expenses.

  3. Familiarize with Puppy Hand-Feeding: In case the mother cannot nurse, you might need to hand-feed the puppies. Learn how to do this correctly and ensure you have the necessary supplies.

  4. Be Prepared for Potential Separation: If the mother develops severe mastitis, you might need to separate her from her puppies temporarily. Have a separate, comfortable area ready for her.

  5. Support Group: Connect with local or online breeding groups or forums. They can offer advice, support, and recommendations based on their experiences.

  6. Regular Vet Visits: Keep up with regular vet visits during the nursing period. Your vet can monitor the mother's health and catch potential issues early on.

By being prepared and proactive, you can minimize the risks associated with mastitis and ensure that both the mother and her puppies receive the best care possible.



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