4 Answers

MCM you asked a similar question about your cats tail a few weeks ago. I know you said she does not have fleas nor had you changed her diet which sometimes causes skin reactions.  

If your cats tail is still red/raw she needs to be seen by a vet. Some conditions can't be treated with over the counter products, home remedies and interventions.

 I found this information on a website perhaps your kitty is suffering from this condition: 

Signs and Symptoms of Feline Hyperesthesia

The word hyperesthesia means ‘abnormally increased sensitivity of the skin.’

It’s a condition in which the skin on a cat’s back ripples from the shoulders all the way to the tail.

The rippling is visible in some cats, but more difficult to see with others.

What many pet owners notice first is the kitty turning toward her tail suddenly as though something back there is bothering her.

She may try to lick or bite at the area.

And most cats with this condition will take off running out of the blue as though something scared them or is chasing them.

Kitties with hyperesthesia also have muscle spasms and twitches, and twitching of the tail.

If your cat has the syndrome, he may show sensitivity when any point along his spine or back is touched. He may chase his tail, bite at himself, turn toward his tail and hiss, vocalize, run and jump. He may also seem to be hallucinating – following the movement of things that are not there – and he may have dilated pupils during these episodes.

In severe cases of feline hyperesthesia, cats will self-mutilate by biting, licking, chewing and pulling out hair. These poor kitties suffer not only hair loss, but often severe skin lesions from trying too aggressively to seek relief from the uncomfortable sensations they experience.

http://healthypets.mercola.com/sites/healthypets/archive/2012/04/04/feline-hyperesthesia-symptoms.aspx

 Your cat may also have crystals in her urine or blocked anal glands causing pain near her tail and this could be why she's chewing her tail.

Good Luck!

10 years ago. Rating: 9
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It could be sunburn causing an itch.White cats are susceptible to sunburn.Try rubbing some of your cold cream +35 into the area.

10 years ago. Rating: 7
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It can be stress, out female did that for sometime, then she started biting her tail. She eventually pulled all the hair out of her tail, then bit it off. It was a nightmare,because it was then painful as well and she ran around the room with blood flying everywhere. We managed to calm her and take her to the Vet, they cut what was left of her tail off. She now has just a little stub about 3 inches long, she still tries to Bite it when she's stressed,  but fortunately she can't reach it now. My son's cat has been pulling his fur out recently, first of all the Vet treated him for flees, but now the flees have gone , he's still doing it sometimes. His next door neighbour had three kittens, which starting coming out into the garden , we think it may have been stress because the kittens came too close to his territory. 

10 years ago. Rating: 7
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More than one of our dogs chewed raw spots on their backsides during the warm summer months.  The vet said it was a skin irritation, and gnats simply swarmed around the raw spots.  As the weather cooled, the gnawing subsided and the fur grew back.  

Hopefully, whatever is eating your kitty will stop!  I agree with CB that a trip to the vet would be in kitty's best interest.  

10 years ago. Rating: 2
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