When a nursing cat develops a painful, swollen teat, the condition may be mastitis, an infection that can escalate quickly if left untreated. This inflammation of the mammary gland, common in cats that have recently given birth, can cause redness, warmth, and discomfort in the affected breast. In severe cases, the teat may ulcerate, allowing bacteria to enter the bloodstream—a dangerous complication known as septicemia that endangers both the mother and her kittens.
Mastitis is not limited to cats; it can affect any mammal that nurses its young, including dogs and humans. In felines, the infection typically arises from bacteria that travel up the milk duct, often introduced through tiny breaks in the skin caused by vigorous nursing. Kittens' claws can carry bacteria from feces, especially in unclean environments, making hygiene a key factor. Less commonly, trauma to the breast area—from fights or accidents—can trigger inflammation, even in non-nursing cats. Sudden milk accumulation, such as when kittens are weaned too quickly or a litter loses a member, can also lead to mastitis.
Recognizing the early signs is crucial. While the mother cat may show obvious symptoms like a red, swollen teat and lethargy, sometimes the only clue is that the kittens are not gaining weight as expected. This happens because the inflamed teat canal blocks milk flow, leaving kittens hungry. As the condition progresses, the breast may become painful, discharge pus or blood, and the cat may develop a fever, lose appetite, and vomit if the infection spreads.
Diagnosis and Treatment Approaches
Veterinarians often diagnose mastitis through a physical exam, but they may order a complete blood count to check for elevated white blood cells, indicating infection. Microscopic examination of milk or a culture can confirm the presence of bacteria or fungi. Treatment typically involves antibiotics, pain relief, and anti-inflammatory medications. In some cases, vets recommend hand-milking the affected teat every six hours to reduce swelling, along with keeping the cat's bedding and surroundings scrupulously clean.
An unconventional yet common remedy is the application of cabbage leaves to the inflamed teat. The leaf is held in place with a bandage or a small t-shirt for about three hours at a time, then removed for a similar period, repeating as needed. This method helps alleviate inflammation. In severe cases where tissue death occurs, surgical removal of the affected tissue may be necessary.
With prompt treatment, most cats recover fully within a few weeks. However, if the infection has entered the bloodstream, the outlook becomes more guarded, underscoring the importance of early veterinary care. Prevention focuses on maintaining a clean nursing environment and ensuring kittens nurse from all teats to avoid milk stasis. Regularly checking the teats for normal milk production can also help catch problems early.