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Tammy F.
Tammy F., Not an active Expert
Category: Dog
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my dog has hair missing on his tail and on both ...

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my dog has hair missing on his tail and on both hind ends the skin is very red. He keeps licking the area and I have also seen spots on his belly. What could it be and how to treat.

"Hot spots" happen when the skin is abraded (it can even be something as small as a tick bite that causes the skin to open). When the skin is abraded and it then gets wet from licking or swimming, etc, bacteria is introduced because of the moisture and this causes the hot spot.

The best thing for a hot spot or bacterial problems is to wash the area well with peroxide and then shave all the hair away from the sore. Hair traps moisture and you don't want that. Then dry the area completely and apply some neosporine ointment. Distract the dog for 5 minutes and then he can lick it. But most dogs won't because it tastes terrible.

If this doesn't help, you will need to see the vet to be sure it IS a hot spot and to get possible antibiotics.

The most common cause of these crazy skin problems is allergies, especially with some breeds. These allergies could be from grass, contact with a cleaner or chemical or could even be food related. The allergy part is sometimes tough to treat but there are some simple things that you can do.

  1. Talk with your vet about a low allergy diet. Rabbit and potato is my favorite and my dogs do well on it.
  2. Get the dog started on frontline to eliminate the chance that this is a flea allergy. If he's already on it, keep in mind that it only takes ONE flea to get the cycle started if the dog is allergic to fleas.
  3. Use a prescribed dose of benadryl when this gets bad. My vet recommends up to 2 mg per lb of dog given every 8-12 hours as needed when the itching starts

When the dog abrades the skin by chewing and scratching, this opens up the body to infection. Many dogs need antibiotics because of this.


See the vet so that they can get the dog started on antibiotics if you suspect this.

Many dogs also need a shot of prednisone to control the itch and give the skin time to heal.

The only thing that will give her immediate relief is the benadryl.

I hope this helps!

Let me know if you still have questions.

Tammy F. and 2 other Dog Specialists are ready to help you
Customer: replied 9 years ago.
just to clarify. If he is bitten in one spot and begins to lick it will remove hair from an extensive area and cause the swelling and redness? It is up his tail then you have some hair and then on both hind ends hair is missing but the areas don't meet (ie their is hair patches between). then on his belly he has the smaller spots. I just want to make sure I shouldn't take him the the clinic tonight. When the shelter rescued him he weighed only 18 lbs he is a beagle mutt and wouldn't hunt.... has since gained much more.... but I always worry (maybe am a little over protective).

Yes. Those are typical "hot spots" (or at least that's what it sounds like since I can't see them).

These skin problems usually have an underlying cause of allergies.

If he's eating well, drinking, normal activity level, etc, you can probably wait to see the vet until tomorrow. But go sooner if you still have concerns.

Customer: replied 9 years ago.
Thank you for your time. I will give your advice a try. He is acting fine and playing with our latest addition (a very young border collie!!!) so I will wait.

You are very welcome! Let me know if you have further questions.