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Snake bite - More Dog Flu
09/06/2009

Q:  Can my cat get the dog flu?

                A:  Recent columns on influenza viruses have generated several questions from concerned cat owners.  There has never been a cat diagnosed with the H3N3 (canine influenza) or H1N1 (“swine flu”) strains of influenza.  Influenza viruses are generally associated with birds, humans, horses, and pigs.  Most viruses are not able to pass between different species.  When one develops the ability, it generally becomes a household name (avian influenza, swine flu, SARS, monkeypox, rabies, etc.).  While researchers continue to monitor cats, there is little worry our feline friends will catch the flu anytime soon.

Q:  What should I do if my dog gets bitten by a copperhead snake?A:  First, do not panic.  Try to stay calm so your dog does not get too excited.  Second, try to get a really good look at the snake without getting too close.  Is it really a copperhead?  Or is it just a brown water snake, corn snake, or other look alike?  Most snake bites are from non-poisonous snakes.

There are two kinds of poisonous snakes in central Virginia.  The first is a copperhead and the other is a timber rattlesnake.  In the far southeastern portion of Virginia, you can also find water moccasins.  All of these snakes are pit vipers, a generally non-lethal type of snake.  The poison is produced in thick bulging glands behind the jaw giving the snake’s head a remarkable triangle shape.  There are heat sensing glands, or “pits,” below each eye.  The poisons produced are called dermonecrotoxins.  They work by killing skin and muscle tissue.  This type of poison is much less dangerous than the neurotoxins produced by cobras, coral snakes, and other infamous reptiles.  However, in a small pet, the pit viper toxins can still be life threatening.

In our area, poisonous snake bites may require multiple visits to the veterinarian to remove necrotic tissue and prevent infection.  However, most pets survive the experience.  Small pets and pets bitten on or near the face are at higher risk for life-threatening complications.  Rarely, a pet may be highly allergic to the snake’s venom and develop a potentially fatal anaphylactic reaction. 

After a bite there are two priorities.  The first is to keep the toxin from spreading as much as possible.  To reduce the spread of the toxin, use an ice pack on the area of your dog will let you.  Stay calm to try to keep your pet calm.  If your dog is small enough to carry, avoid having him walk around as much as practical.  The second priority is to get to a veterinarian right away.Veterinary treatment for snake bites primarily involves reducing swelling, pain, and infection.  Antivenin is also available in some locations, but its use is controversial.  The antivenin is known to cause severe life-threatening allergic reactions in a significant number of dogs.  Since the vast majority of snake bites are from non-poisonous snakes and since most pit viper bites are non-lethal, the risk of reaction to the treatment should be carefully considered before using antivenin.  Most general practices do not stock the expensive antivenin serum, but many emergency clinics do.  (Antivenin for one dog can cost $600-$2000 and it expires if not used within a certain period of time.) 
                    Q:  Can you tell me why my poodle tries to find every spot in the yard the cat has been too and then eats it?  This is driving me crazy and I can't seem to stop her.  What can I do?
                    A:  There is no easy answer for your problem.  You may try transitioning your cat to stay indoors and use a litter pan.  It's better for the cat and there won't be anything in your yard for the dog to eat.  You could also train your dog out of the behavior by walking your dog for a period of time only on a "Gentle Leader.”  These collars allow you to close the mouth with a pull on the leash.  You will find products sold at pet stores that claim to make pet waste undesirable for consumption.  However, I have yet to find one that works consistently and reliably. Good luck.