Understanding Signs of Allergies in Dogs and What to Do

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Posted Nov 9, 2024

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If your furry friend is scratching, chewing, or licking excessively, it could be a sign of allergies. In fact, skin allergies are the most common type of allergy in dogs, affecting up to 10% of the population.

Dogs can develop allergies to a wide range of substances, including environmental allergens like pollen, dust mites, and mold, as well as food ingredients like beef, dairy, and soy. A simple food trial can help determine if your dog's allergies are caused by a specific ingredient.

Common signs of allergies in dogs include excessive scratching, chewing, and licking, as well as ear infections, skin infections, and hair loss. These symptoms can be quite distressing for both you and your dog.

If you suspect your dog has allergies, it's essential to consult with a veterinarian to rule out other potential causes of their symptoms.

Symptoms and Diagnosis

Symptoms of allergies in dogs can be quite varied and often overlap with other health issues. Excessive licking, chewing, and scratching are common symptoms, especially in areas like the paws, ears, and face.

Credit: youtube.com, 5 Signs of Food Allergies In Dogs

Redness, hair loss, and crusts on the skin are also possible signs. Some dogs may even experience gastrointestinal distress, such as vomiting, diarrhea, or constipation.

Here are some common symptoms of allergies in dogs:

  • Excessive licking, chewing, and scratching
  • Redness, hair loss, and crusts on the skin
  • Gastrointestinal distress (vomiting, diarrhea, or constipation)
  • Watery eyes and reverse sneezing
  • Head shaking, pawing at the ears, eyes, or face
  • Recurring scooting or licking of the anus

If you suspect your dog has allergies, it's essential to consult with a veterinarian to rule out other skin conditions, such as skin mites, fleas, or food allergies.

Causes of Allergies

Allergies in dogs can be triggered by a hypersensitive immune system that reacts to specific allergens in the environment.

Seasonal allergies in dogs are caused by an immune system that's overly sensitive to certain allergens, leading to an allergic response.

The most common types of allergies in dogs are skin allergies, also known as allergic dermatitis.

Skin allergies can be caused by a wide range of irritants that affect your dog, leading to itching and discomfort.

The three most common causes of skin allergies in dogs are unknown from the provided text, but we do know that the resulting discomfort can leave your pup miserable and scratching constantly.

Symptoms of Allergies

Photo of a Brown Dog Scratching its Head
Credit: pexels.com, Photo of a Brown Dog Scratching its Head

Excessive licking is a common symptom of seasonal allergies in dogs, often targeting the paws, but can occur anywhere on the body. Excessive saliva staining of the fur is also a telltale sign.

Symptoms can vary from dog to dog, but may include excessive chewing or gnawing, scratching, hair loss, redness of the skin, crusts, moist skin, darkening of the skin, thickening of the skin, and an unpleasant odor.

Common areas affected by seasonal allergies include the paws, limbs, mouth, ears, abdomen, groin, armpits, tail, and around the eyes.

Dog food allergies can cause gastrointestinal (GI) distress, including vomiting, diarrhea, constipation, or nausea. Skin issues, such as itchy, red, or dry/flaky skin, are also common.

Ear infections are often a secondary symptom of food allergies, as a dog's ear canal can become infected through repeated scratching of dry skin with germ-covered claws.

Other signs of food allergies in dogs include lethargy, weight loss, and unusual aggression. Anaphylactic shock is a rare but serious reaction to a food-based allergen.

On a similar theme: Summer Allergies in Dogs

Dogs Playing on Grass
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Skin allergies can cause a range of symptoms, including red, irritated, or flakey skin, scooting or rubbing on surfaces, sores, hair loss, and excessive scratching.

Some common symptoms of skin allergies in dogs include:

  • Red, irritated or flakey skin
  • Scooting or rubbing on surfaces
  • Sores
  • Hair loss
  • Rubbing of face or ears
  • Excessive scratching
  • Excessive licking
  • Chewing or biting the skin

In severe cases, skin allergies can lead to secondary infections, which can be painful and uncomfortable for your dog.

Veterinarians Diagnose Allergies

Veterinarians must rule out other skin conditions that can cause similar symptoms, such as skin mites, fleas, or a food allergy, to reach a diagnosis of seasonal allergies.

A flea allergy can be diagnosed if fleas are found on a dog with symptoms of severe itchiness, redness, and hair loss.

To confirm a diagnosis, veterinarians may start a dog on flea and tick prevention and anti-itch medication to see if symptoms resolve.

If a dog is diagnosed with a flea allergy, it's essential to start them on effective flea and tick prevention to alleviate symptoms.

Treatment and Management

Credit: youtube.com, Allergies in Dogs: Top 5 Remedies to Stop the Itching

Seasonal allergies in dogs are a chronic condition, but there are ways to manage symptoms and keep your dog comfortable. The first step is to identify the allergy season for your dog based on their prior history.

Year-round flea and tick prevention is essential to reduce the risk of secondary skin infections. Medications like NexGard, Simparica, Bravecto, Seresto collar, and K9 Advantix II can help prevent flea and tick infestations.

Anti-itch medications such as Apoquel, Cytopoint, and prednisone can alleviate itchiness and manage flare-ups. Omega-3 fatty acid supplements like Welactin, Vetoquinol, or Dermaquin can protect the skin barrier and minimize allergy symptoms.

Routine ear cleaning is crucial to prevent ear infections and reduce the risk of secondary infections. A routine ear cleaner like EpiOtic Advanced can be used every two to three weeks for maintenance.

If your dog has a skin infection, antibiotics like clindamycin and cephalexin can be prescribed to treat bacterial infections, while anti-fungal medication like ketoconazole can be used to treat fungal infections.

Credit: youtube.com, How to Get Rid of Pet Allergies | Stephen Dreskin, MD, PhD, Allergy and Immunology | UCHealth

Here are some common symptoms of skin allergies in dogs:

  • Itchiness (scratching, licking, gnawing, chewing)
  • Head shaking or pawing at the ears or eyes
  • Any skin lesions (such as redness, crusts, thickened or black pigmented skin)
  • Odor to the skin or ears

If you notice any of these symptoms, schedule a vet appointment as soon as possible. Your veterinarian will prescribe treatment to make your dog more comfortable and treat for any skin or ear infection.

Common Allergies in Dogs

Dogs can develop allergies to various substances, leading to discomfort and health issues. Food allergies are one of the most common types of allergies in dogs.

Protein and complex carbohydrates are the most common canine allergens, with beef, dairy products, chicken, and wheat being the top four allergens. In fact, a study found that beef is the most common allergen, causing an allergic reaction in 34% of dogs.

Some common food allergens include soy, lamb, corn, eggs, pork, fish, and rice, which can cause symptoms such as itching, skin rashes, and digestive issues. If your dog is allergic to a particular ingredient, it's essential to introduce it slowly to their diet to monitor for any adverse reactions.

A flea's saliva can also trigger an allergic reaction in some dogs, resulting in flea allergy dermatitis, which can cause intense itching and skin inflammation.

11 Most Common Allergies

Credit: youtube.com, Food Allergy in Dogs: Causes, Diagnosis and Treatment

Dogs can develop allergies to a variety of things, and it's essential to know what to look out for. Food allergies are one of the most common types of allergies in dogs.

Beef is a common ingredient in dog food, but it's also a common allergen, affecting around 34% of dogs. Dairy products, such as milk and cheese, can also cause an allergic reaction in some dogs, manifesting as itchy skin or digestive issues.

Chicken is another protein source that's commonly found in dog food, but it's also a common allergen, affecting around 15% of dogs. Wheat is a complex carbohydrate that can trigger an immunological response in dogs, causing dry skin, rashes, and inflammation.

Soy is a sneaky ingredient in many commercial dog foods, and it can cause an allergic reaction in some dogs. Lamb is a popular alternative to beef and chicken, but it can also become an allergen if fed too frequently.

Here are the 11 most common allergens in dogs:

If your dog is experiencing symptoms of an allergy, it's essential to consult with a veterinarian to determine the cause and develop a treatment plan.

Breeds Prone to Allergies

Credit: youtube.com, Allergy-Prone Dog Breeds

Dogs can develop food allergies, and some breeds are more prone to them than others. Purebreds seem to develop allergies more frequently than mutts.

Research suggests that certain dog breeds are genetically predisposed to developing food allergies. These breeds include the Bichon Frise, Boston Terrier, Boxer, and many others.

Some breeds that are commonly associated with food allergies include the Bulldog, Bull Terrier, and Chinese Shar-Pei. These breeds may benefit from a diverse diet early on.

The list of breeds prone to food allergies is quite long, including the Cocker Spaniel, Dachshund, Dalmatian, and French Bulldog. This is not to say that all members of these breeds will develop a food allergy, but it's something to be aware of.

Here is a list of some dog breeds that are more prone to food allergies:

  • Bichon Frise
  • Boston Terrier
  • Boxer
  • Bulldog
  • Bull Terrier
  • Chinese Shar-Pei
  • Cocker Spaniel
  • Dachshund
  • Dalmatian
  • French Bulldog
  • German Shepherd
  • Golden Retriever
  • Labrador Retriever
  • Lhasa Apso
  • Maltese
  • Poodle
  • Pitbull
  • Pug
  • Scottish Terrier
  • Shih Tzu
  • Westie (aka West Highland White Terrier)
  • Wirehaired Fox Terrier
  • Yorkie (aka Yorkshire Terrier)

It's always a good idea to consult with a veterinarian if you suspect your dog has a food allergy.

Flea Allergy Dermatitis

Credit: youtube.com, Sydney Animal Hospitals - Flea allergy dermatitis

Flea Allergy Dermatitis is a common issue many dog owners face. It's caused by a dog's allergic reaction to a flea's saliva.

The saliva from fleas can bring about an allergic reaction in many dogs, leading to flea allergy dermatitis. This condition can result in incredibly itchy skin, especially at the base of the tail.

Your dog's skin may become red, scabbed, and inflamed due to flea allergy dermatitis. Regularly inspecting your dog for flea dirt (feces) can help you detect this problem early on.

Flea dirt is small and can be found on your dog's skin, often near the base of the tail. You may even notice these small, flightless external parasites if you look closely enough.

Other signs of fleas include red, inflamed, and scabbed skin. Flea dirt (feces) and the occasional sighting of fleas themselves can also indicate a flea infestation.

If this caught your attention, see: Dog Hives Allergic Reaction Staffy Skin Bumps

Frequently Asked Questions

What is the best thing for dogs with allergies?

For dogs with allergies, regular grooming and using hypoallergenic shampoos and supplements like biotin and omega-3 can help alleviate symptoms. Consider consulting a veterinarian for personalized advice on managing your dog's allergies effectively.

Sources

  1. Posatex (chewy.com)
  2. Vetoquinol (chewy.com)
  3. Welactin (chewy.com)
  4. Nextmune’s Pet Allergy Xplorer (nextmune.com)
  5. Heska’s Allercept (heska.com)
  6. intradermal testing (zoetis.ca)
  7. Share on Facebook (facebook.com)
  8. dogs can have allergies (vcahospitals.com)
  9. Food-induced inflammation (wilderharrier.com)
  10. oft-cited study (nih.gov)
  11. allergens (wagwalking.com)
  12. AKC Rx (akcpetrx.com)
  13. Dog Skin Allergies - Causes, Symptoms & Treatments (modestovethospital.com)
  14. Dog Skin Allergies: Causes, Symptoms & Treatment (animalhospitalofclemmons.com)

Ada Goodwin

Lead Writer

Ada Goodwin is a versatile writer with a passion for uncovering the hidden stories of our world. With a keen eye for detail and a love for the unusual, she has explored a wide range of topics, from the cultural history of Japan to the fascinating world of taxidermy exhibits. Her writing often delves into the lives of individual dogs, monuments, and statues, revealing the unique stories and histories behind each one.