Leptospirosis Symptoms in Dogs – Please Be Aware Of Them

Leptospirosis symptoms in dogs come from a bacterial infection that can affect a dog’s blood, kidney, and liver. The bacteria which cause this illness are carried mainly by rats.

Leptospirosis Symptoms in Dogs

The most common means of transmission is when a dog ingests the urine of an animal through thin or damaged skin.

The disease can often show no symptoms at all in an affected pet. In this case, the dog’s natural defenses will be dealing with it. However, at other times, this disease can be life-threatening.

Leptospirosis symptoms in dogs come in 3 main forms.

1): Renal Leptospirosis:

This is where it infects the kidneys. Symptoms start with appetite loss, lethargic depression, and fever. Eventually, this leads to kidney failure.

2): Icteric Leptospirosis:

This is where the liver is infected. The symptoms begin with lethargy, loss of appetite, and fever. The whites of the eyes and the mouth will take on a yellow appearance, similar to jaundice. In addition, the skin might also appear jaundiced.

3): Hemorrhagic Leptospirosis:

This is where there is an infection in the blood, causing bleeding. The symptoms begin with a loss of appetite, plus lethargy, and fever, similar to the Icteric form. Hemorrhages begin to appear in the eyes and mouth. This causes extreme diarrhea and vomiting. Unfortunately, this form of leptospirosis is often fatal.

Info Box

Leptospirosis is a bacterial disease that causes serious illness by damaging vital organs such as the liver and kidneys. – ( Source – www.pdsa.org.uk)


The treatment regime is through prescribing antibiotics and is generally successful if the disease is caught early enough. This disease is rare because puppies are generally inoculated from six weeks. To maintain their immunity to the disease,  annual renewal shots are recommended.

The best way to avoid Leptospirosis in dogs is through maintaining hygienic conditions plus vaccination. Therefore your dog is unlikely to come in contact with rats, which carry the disease.

It should be noted that the leptospirosis vaccine can cause an adverse reaction. It is usually mild, causing loss of appetite and lethargy. The symptoms only last for a few days. However, your dog is now protected from this potentially fatal disease and nasty disease.


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