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Canker sore like lesion at my cat's lips

My 1 year old cat develops canker sore like lesion at the lips.  I have taken him to the vet 3 times.  The vet said he has allergy.  He had received 3 cortisone shots with no improvement.  Has anybody had similar problem with his/her cat?  Any suggestions how should I treat this condition.  By the way, my cat has no symptoms.  He seems to be playful and has good appetite.  Any help would be appreciated.  
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1845253 tn?1318914920
I have a cat, sweety pie, she's around 4-5years old and she used to be a real cranky cat, but within the last few years, she's become exceedingly sweet and almost needy. She also has some very big problems with her lips. It started out as two small spots, on both sides of the upper lip, and now they have eaten away her lip and if it doesn't stop soon, it's going to go for her nose, there is no lip left and it's extremely worrying. She aslo has mange like symptoms, but the vets have run tests and sent her home saying there isn't mange. When I put flea treatment on  her, her skin seems to heal and get better. My mother diagnosed this as flea allergies. I love her to pieces and I want to help her. I recently adopted a kitten, Taiga at 4 weeks, a year and a half ago. He's pretty expressive himself, and he used to play fight with sweety pie. Now he has the small holes on his upper lip too. I'm freaking out now, and I don't think my family is finacially supported for prolonged tests or secluded recovery. But if it's something I can relatively do at home, I will dedicate all my hours to her happy recovery. I have adopted the thought it may be kitty aids, or cancer, I will also consider the fact that it may be the food, or the bowls. Please help
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874521 tn?1424116797
COMMUNITY LEADER
you may want to read an earlier post about a cat with similar problems. it could be feline herpes...(?)
the Vet in this posting advised to use L-lysine this is best to be bought from a HUMAN health store if you decide to use, its safe even if your kitty doesn't have herpes....open the capsule and add 250mg to his food...

http://www.medhelp.org/posts/Cats/Sore-on-the-corner-of-cats-mouth/show/557497
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Avatar universal
I don't have plastic bowl, they use our CR for their nature calls. I think it is the food that affect her lips, i changed the food 2 days ago, sardines to salt water fish(i don't what is the equivalent English of that) i observed her lips and it came back to normal, from reddish to whitish, i guess? not much sores. But im afraid that it would come back, what i should do next to prevent it from coming again. Please give me advice.
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242912 tn?1402543492
COMMUNITY LEADER
Hi chiz and welcome.  I'm afraid we are not experts here, just members like yourself.  Now about your kitty.  Do you happen to use a plastic bowl?  If so, this is often the culprit with this sort of problem so you want to replace it with something else like steel or ceramic.  If you don't use plastic, then the next step is to change your girls diet.  
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Avatar universal
hello experts, my cat had mouth sores, specifically in her lips. At first i thought it was her tongue but it was her lips that was soring. She had no problems with her appetite, she eat so much, i had no problem for her eating habits, i guess. I try to smell and examine her lips, no problem with her breath(no bad breath). although overall she was really healthy, it was very alarming to see her lips redding, i always think it might get worst and in the worst-scenario it might eat her mouth, i really wish and pray it won't. I have no money for expensive vets cause i'm student, i have 2 cats died before me and it was painful, i don't want her to next. Do you think it was an allergy? or some kind of food might affect her sores?

thank you for response, sorry for my english ^_^
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Avatar universal
any time your cat has a rash, compulsive licking, swollen chapped lips etc more than likely it is an allergic reaction. The most likely culprit is his diet. and the most likely food allergen is gluten. (remember this http://en.wikipedia.org/wiki/2007_pet_food_recalls)
If you can't afford the more expensive single ingredient canned food  like royal canin try making your own  http://www.catinfo.org/?link=makingcatfood is a good place to start. just experiment with different meats and proportions to find what your cat will eat. most skin conditions will clear up after a few days. here is another point of view http://cats.about.com/library/guest/ucfeature1.htm
Always wash your cats metal or glass bowl after each feeding.
Oh and make sure the allergen is not the new body lotion you just bought.
If the rash or chapping doesn't get better or starts to drain  then take him to the vet immediately! check your phone book for discount or low cost vets, Ask the SPCA or Animal Control if there is a clinic available or if they could give you a reference.
Do Not wait for the drainage to have a bad smell, even if you don't see pus the smell is an indication that an infection has already set in.
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