Pet Education

Browse our veterinary-reviewed Dog and Cat Illness Guide to learn more about pet health. Always talk to your veterinarian if you have a concern about your pet's symptoms or health.
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Canine Herpesvirus

Herpesvirus is a viral disease commonly found in puppies. It affects the reproductive and respiratory systems, and is usually fatal to unborn or new-born puppies.

CAUSES:

The virus lives in the reproductive and respiratory systems of a dog. It gets transmitted through direct contact between a carrier and a non-carrier.

It is crucial that a pregnant dog is isolated from other dogs for the last three weeks of pregnancy and the first three weeks after birth.

After a dog becomes infected, the virus may remain dormant in the body for a while. Signscan then flare up which can infect other dogs. The virus can also spread to a pregnant dog's fetus and result in abortion, stillbirth, or sudden death of the puppies a few weeks after birth

SIGNS:

Signsprogress quickly and are usually fatal within 24-48 hours.

Puppies:

Adult dogs:

DIAGNOSIS:

Puppies that die suddenly should be examined to determine the cause.

Your veterinarian can confirm the diagnosis with:

Lesions and sudden death show herpesvirus, as opposed to other disease with similar signs, like parvovirus or coronavirus.

TREATMENT:

Most puppies die suddenly, too late for medical help.

In cases where you are able to get your puppy to the hospital, the doctor will give the following treatment until the virus has run its course:

PREVENTION:

There is no vaccine available in the United States yet. You can take some preventative measures:

PROGNOSIS:

The prognosis for an infected puppy less than three weeks old is poor, they will usually die rapidly.

The prognosis for an infected puppy more than six weeks old is better.

Puppies who do survive will usually have life-long damage to their kidney, liver, and brain. They will also be carriers of Herpesvirus for life.

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