Acute Moist Dermatitis: Hot Spots in Dogs

Summer heat may predispose to hotspots

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Hot Spots in Dogs

Your dog was doing well and was acting playful one second, and the next thing you know, he starts scratching at an area and within seconds, chunks of hair start flying everywhere. Alarmed, you look at the area and find a pretty large red, inflamed, hairless area. Within a short time, aggravated by the dog's licking and possibly, scratching, the area gets weepy with a yellow discharge. Your dog yelps in pain as you touch the area and you realize it must really burn for your dog to react that way. Concerned, you take your dog to your veterinarian wondering what kind of malady must be affecting him this time!

What are Hot Spots and What Can Be Causing Them

If your dog just experiences something similar as described above and the picture appears familiar, chances are high your dog may be suffering from a hot spot. Hot spots, medically known as ''Acute Moist Dermatitis'' are generally patches ranging in size between one to four inches. They often are characterized by a yellowish exudate that may emanate a foul odor. They tend to occur just about anywhere on the dog's body but they are most commonly found under the ear flaps and on the neck.

Dogs most commonly affected are those with longer coats due to the likeliness of trapping moisture. Hot spots can also develop underneath hair mats or hair that is shedding but still clinging on the dog's coat. They can be caused by a variety of factors including but not limited to:

  • Food allergies
  • Flea infestations
  • Skin parasites
  • Insect bites
  • Summer heat
  • Presence of burrs
  • Leaving a wet collar on
  • Not drying dog after a bath or swim
  • Poor grooming

As seen, there are many predisposing factors that make the warmer months more at risk for hot spots. In the spring/summer time dogs shed more, they are exposed to burrs, and are more likely to be under the summer heat. Pesky parasites are around more and insect bites are not uncommon. Dogs are also most likely to swim in water or get bathed without being dried well, trapping moisture and bacteria.

Some great remedies for hot spots

Zymox Topical Pet Cream with Hydrocortisone, 1-Ounce
Zymox Topical Pet Cream with Hydrocortisone, 1-Ounce

Provides a powerful natural enzyme formula to aid in the treatment of skin infections.

 
Vet's Best Hot Spot Itch Relief Spray, 8oz
Vet's Best Hot Spot Itch Relief Spray, 8oz

Hot Spot Itch Relief Spray for dogs provides immediate relief from itching and scratching caused by flea allergy dermatitis, pollen allergies and other skin problems. Hot Spot Spray soothes and heals raw, sore, inflamed "hot spots" fast.

 

How Hot Spots are Diagnosed and Treated

Your vet may want to collect a sample in order to rule out any fungal or yeast infections as these may require a different course of treatment.

Because hot spots are painful, sometimes dogs need to be sedated for treatment. The first step is to trim the area of all hair in order to let the hot spot dry and heal. A good pair of clippers for dogs will do the job. The veterinarian will often prescribe a Betadine or a chlorexidine shampoo like Nolvasan to dry up the area.

To prevent aggravating the area, an Elizabethan collar is often recommended. Dogs are often put on cortisone-like drugs and antibiotics to speed up the healing process.

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Comments 4 comments

Eiddwen profile image

Eiddwen 5 years ago from Wales

A very useful hub and I am handing it over to my daughter who I am sure will benefit from reading this one.

Useful/up for this one too.

Take care

Eiddwen.


Esmeowl12 5 years ago

Years ago we had a Shih Tzu that had hot spots. We sprinkled "Brewers Yeast" in his food and that helped a lot.


KoffeeKlatch Gals profile image

KoffeeKlatch Gals 5 years ago from Sunny Florida

Very useful. My dog recently began having quite a problem with this. Voted up and useful.


Jenny Rose profile image

Jenny Rose 5 years ago from Northeast USA

Last fall our yellow Lab had a very allergic reaction to a medication and developed severe dermatitis. The vet had to shave from her chin to the bottom of her chest. We used Novalsan (Rx from the vet) to help heal her on the outside and other meds for the inside. Recently she began scratching and biting and seems to be reacting to the hot weather and dry skin. We are giving her Omega 3 fish oil capsules, and she's back on the Novalsan. thanks for a great hub.

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