Dog Skin Allergies

From LoveToKnow Dogs

Dog skin allergies can leave owners feeling almost as miserable as their pets.

Scratching is one of the first symptoms of an allergic reaction.
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Scratching is one of the first symptoms of an allergic reaction.

What Causes Dog Skin Allergies?

Few things are more stressful than watching your pet go to town scratching and licking itself. Not knowing what to do for dog skin allergies can leave a loving owner feeling a bit helpless, but that needn't be the case.

First, let's get a basic understanding of how an allergic reaction happens.

  1. A dog is exposed to something in it's environment that triggers a response from the immune system. This can be something your pet has eaten, sniffed, or even rubbed up against.
  2. The immune system then sends out histamines in the bloodstream to attack the offending substance.
  3. The histamines have the unfortunate side-effect of causing an irritating reaction in your pet's skin, resulting in an itchy feeling that your dog seeks to remedy by scratching.
  4. Scratching only intensifies the skin irritation, causing an increase in inflammation, and unleashing a vicious cycle of itching and scratching that can result in a serious infection if not dealt with swiftly.

Basic Types of Allergies

Let's learn more about the different types of skin allergies dogs can be subject to.

Atopic Allergies

Atopic refers to being inhaled, so atopic dog skin allergies are caused by something the dog inhales in the environment. Much like humans, dogs can also be allergic to the standard molds, pollens, dandars, and dust mites we're all exposed to on a daily basis.

Contact Allergies

Certain substances may cause an allergic reaction in your dog's skin when he comes in contact with them. Some dog toys are made with laytex rubber, and humans and pets alike have been known to suffer allergic reactions to this substance, breaking out in itchy hives. Grass allergies may also cause extreme itching and irritation to your pet's skin.

Food Allergies

Some food sources will also cause an allergic reaction in dogs. One of the most common food allergens for dogs has turned out to be corn, a main component of many commercial dog foods. However, a reaction may also be caused by one or more of the other ingredients and chemicals used as preservatives.

Parasitic Allergies

Fleas can be imitating enough, but if your pet develops a particular allergy to flea saliva, it only take the bite of one flea to do the work of ten. The itching becomes extremely intense, and once the scratching breaks the skin, your pet becomes eligible for a host of secondary skin infections.

Mite infestations beneath the skin can also cause the same visible reactions as flea allergies.

Signs Your Dog May Have Skin Allergies

Fleas and grass can both cause skin allergies.
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Fleas and grass can both cause skin allergies.

Scratching alone isn't an indication of dog skin allergies, but when scratching is persistent, accompanied by other signs of skin trauma, it's time to consider the possibility that your pet may have developed an allergy.

Signs to watch for include:

  • Persistent scratching
  • Redness, irritation, and inflammation
  • Persistent licking/biting
  • Blisters or pustules
  • Inflamed ears
  • Hot spots
  • Scaliness
  • Hair loss
  • Excessively oily skin

How to Treat Dog Skin Allergies

Treatment for specific types of dog skin allergies can vary but they all usually follow this basic formula.

  1. Consult your veterinarian to figure out the exact cause of the allergic reaction. This may involve taking skin scrapings to aid the diagnosis.
  2. Once identified, remove the allergen, or limit exposure to it as much as possible.
  3. Thoroughly cleanse all affected areas with a medicated shampoo as directed by your vet.
  4. Apply any topical pet medications as prescribed by your vet.
  5. Follow your vet's recommendations for administering any oral medications. These might include antihistamines to interrupt the allergic reaction, and corticosteroids to put an end to the resulting itching and inflammation.

Conclusion

Dealing with dog skin allergies is never easy, but with determination and proper veterinary care, you can get a handle on the situation and bring your pet some much needed relief.



 


Comments

Hi Bellaviv,

It sounds like this Poodle is very lucky that you found and adopted him. It's going to take a lot of TLC to get him back into shape, but you're going to be rewarded with a lot of love.

As for the skin irritation, my guess is that the reaction is due to a combination of things. First, with so many fleas, he must have an uncountable number of flea bites. He's probably developed a severe flea allergy that will increase how much they itch. Second, being flea bitten and severely matted, his skin was probably already compromised. The flea shampoo might have burned him a bit since he was already in bad condition when you brought him home.

My advice is to give him a second bath with an oatmeal based shampoo to help soothe the skin, rinse away any remaining pesticide and stop some of the itching. After that, it would be wise to schedule an appointment with your vet as soon as possible. The vet may prescribe a corticosteroid to help see your dog through the worst of the itching as he recovers. You can also discuss whether a spot on flea product would be suitable to keep him from becoming reinfested.

Thanks for your question, and best wishes for you and your new pet. I hope you visit us again.

-- Contributed by: Kelly

I recently rescued a poodle mix from the shelter. He was severely matted and had thousands of fleas, ticks, foxtails. I took a clipper and took all of his hair off and then put him in the tub for a bath. I used a flea and tick shampoo and he was relieved. Then i noticed his skin began to turn blood red and and he wouldn't stop scratching. Did he have an allergic reaction to the shampoo?

-- Contributed by: Skin reaction to shampoo

Hi Ashley,

Oatmeal baths might help relieve some of the irritation. Your vet might also prescribe prednisone on a temporary basis to help your dog get through the heart of flea season.

I'm not sure which type of flea prevention you use, but be sure to consult your vet to make sure the dosage won't reach toxic levels if it's upped to twice a month.

Finally, treating your lawn with Liquid Sevin from Ortho will knock out the adult flea population in your yard. Consult the package directions on how to use it.

Thanks for your question, and I hope these suggestions prove useful for you.

-- Contributed by: Kelly

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