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Dr. Scarlett
Dr. Scarlett, Cat Veterinarian
Category: Cat Veterinary
Satisfied Customers: 4110
Experience:  I am a practicing small animal veterinarian with 18 years experience.
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why do siamese cats loose their hair

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why do siamese cats loose their hair?
Can you give me more information? Do you have a Siamese that is losing his hair? Can you tell me where the hairloss is on his body? Siamese in general don't tend to have skin or fur issues, although all cats shed.
Dr. Scarlett
Customer: replied 8 years ago.
This is a 5 year old spayed male with no known health issues. Hair along his flanks from mid abdomen along his sides to his anus has continued to thin to the piont where I can see bare skin with light hair over the top. Muti cat household. Recently notices short white worms in his stool and wonder if there is a connection.
The short, white worms are likely tapeworms. I would take a sample of them and stool to your regular vet for positive identification and treatment. If they are tapeworms, then your cat either got them from ingesting fleas or from eating an infected rodent. (Tapeworms are not passed from cat to cat--they have to go through an intermediate host).

If your cat never goes outside, then fleas are a possibility and could explain the hairloss. It only takes 1 flea bite in a cat with a flea allergy to lose fur. Generally the fur loss is along the lower back/tail head area and there may be scabs along with it. But I would get rid of the worms and treat for fleas first and see if that helps his fur.

Other possibilities for the hairloss are allergies to something other than fleas--pollen, house dust, food, molds, etc. There could also be a ringworm problem, although I would think some of your other cats would show symptoms, too. Alternatively, some cats have a behavior problem, like being overly anxious, in which they will pull and lick their fur excessively until they are almost bald. Both allergies and behavior tend to show hairloss in simliar places. When I see a cat with hairloss, I will first try a steroid injection to see if that helps. Depo-Medrol is a steroid that will last about 2 weeks. You can't always see hair regrowing after that amount of time, so sometimes I will give 2 injections before deciding if it is helping or not. If the steroids don't change anything, then I might consider using a behavior drug, like amitryptiline, to see if that will help.

Good luck!
Dr. Scarlett
Dr. Scarlett and other Cat Veterinary Specialists are ready to help you
Customer: replied 8 years ago.
These cats never go "outside." However, he has become more listless over the last several weeks. Sleeping more and eating less. He does not lick or groom excessively espeially in the affected areas. I have NOT treated the cats for "fleas" since last summer. Do you think I also need to treat him and the others for possible flea infestation, as well as take this ones stool along with him to the Vet?
Yes, I would treat all of the cats for fleas with something like Advantage or Comfortis (I wouldn't use any of the OTC stuff, like those made by Hartz, etc. I don't think they are terribly effective and can cause side effects in cats).

I would definitely take the Siamese's stool to the vet, and maybe the cat himself.
Good luck!
Dr. Scarlett
Dr. Scarlett and other Cat Veterinary Specialists are ready to help you