Is It True that Nipple discharge Can Threaten a Dog’s Life?


Discharge from dog nipples may indicate a life threatening disease. However, the mammary glands can secrete fluid for natural reasons. If you notice this phenomenon, you have to pay close attention to the color of discharge, its density and amount, as well as to determine whether it affects one or both glands.

Physiological Causes

The natural causes of this phenomenon include pregnancy and lactation. If such discharges are liquid and discharge from dog nipples causestranslucent, the breast is swollen, but soft, and the dog’s well-being is not worsening, then there are no pregnancy pathologies. The problem occurs in dog has brown discharge from her nipples accompanied by an unpleasant odor and cracks on the nipples.

After giving birth colostrum should appear at first. After a few days there should be white milk, cloudy and uniform in consistency. A variant of the norm is a light shade of yellowness in it. If a nursing dog’s glands harden and the milk is watery or slimy, then mastitis is developing. You can also suspect the disease in case if the mother avoids feeding the offspring. This indicates pain and the beginning of the disease.

Pathological Causes

Discharge, which is not related to pregnancy and breastfeeding, appear for the following reasons:

  1. bloody discharge from dog nipplesFalse pregnancy. This condition develops after 5-8 weeks after heat and is due to the increased content of progesterone in the absence of pregnancy.
  2. Mastitis. Inflammation of the mammary glands is caused by bacteria, clostridia, E. coli. The disease provokes purulent discharge from the nipple in the dog. Risk factors include stagnation of milk, damaged skin of the nipples, hypothermia.
  3. Ectasia of the breast ducts. With this disease, there is an expansion and blockage of the duct with thick content. The reason lies in hormonal imbalance, trauma or inflammation.
  4. Mastopathy. This condition is due to the disturbed ratio of cystic and fibrous tissue in the body and often occurs due to an imbalance of hormones.
  5. The reaction to a medication. Medications, such as chlorpromazine, cause white discharge from the nipples.
  6. Neoplasm. Malignant tumors in dogs such as carcinoma often affect dogs. If there is a benign tumor, most likely it is intraductal papilloma.
  7. Injury.


Secretions can appear when squeezing the mammary glands or independently. Often a dog has yellow discharge from her nipples, but it can also be of brown color. Sometimes there are impurities of blood and pus. With ectasia, yellow discharge from dog nippleswhite or yellowish liquid is released, the nipple swells and blushes, there is pain. Papilloma in the breast manifests itself by bloody discharge from the nipple in the dog. During false pregnancy, the female glands harden, swell and itch, a transparent liquid is released.

With mastitis, there is a local and general increase in temperature, the affected part of the breast swells, blushes and hurts. A milky liquid with inclusions such as cereals comes from the nipples. Later it may become yellow-green and purulent or contain blood impurities. This occurs both when pressing and independently. The dog has rapid heart rate, lack of appetite, shortness of breath.

Pay attention!
If the animal has injured the organ tissue, a transparent liquid, sometimes mixed with blood, will be released.

With cancer, there is a change in the appearance of the breast, the seal can be palpated, the skin area shrinks, changes color, veins expand on it. Glands look asymmetrically. Blood stands out from affected organ.

Grey discharge from dog nipples is a symptom of mastitis and ducts extension. Sometimes the discharges become greenish, which is also characteristic of these states. In mastitis the gland has a granular structure, nodules may be palpable. Sometimes there is pus.


With ectasia, hormonal or anti-inflammatory drugs are prescribed, depending on the cause of the pathology. To relieve pain at home, you can use warm compresses. If the disease runs, surgical removal of the affected duct may be necessary. A false pregnancy can pass without medical intervention or with the help of hormonal therapy.

If there is mastitis, massage and warm the affected area. It is prohibited to apply ointments. Novocaine blockades and broad-spectrum antibiotic injections, such as penicillin, are effective treatments. If an abscess or malignant tumor is formed, surgical intervention is required. At the initial stage of mastitis, regular inspection and palpating the chest of the animal is necessary. The vet may prescribe homeopathic or hormonal medications. Surgical treatment is rarely required.

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