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14 Dog Allergy Symptoms You Shouldn’t Ignore

As a pet parent, your furry friend’s well-being should always come first. One area that often gets neglected in pet health care is allergies. Dogs, like humans, can develop allergies that lead to various symptoms. Here I share 14 Dog Allergy Symptoms You Shouldn’t Ignore for early recognition can make a huge difference for their comfort and overall wellbeing.

Recognizing Dog Allergies

Dog allergies may manifest themselves in various forms. Here are some key symptoms you should keep an eye out for:

Sneezing and Itchy Noses 

If your dog begins sneezing frequently or rubbing their nose with their paws, this could be a telltale sign of allergies. Just like people can develop nasal irritation due to allergens in their environment, causing frequent episodes of nasal irritation in dogs as well.

Excessive Scratching or Licking

Dogs suffering from allergies often display persistent itching or excessive licking of their paws, belly, or other body parts – behaviors that could eventually lead to skin conditions if left uncontrolled.

Red, Watery Eyes

Allergies may cause your dog’s eyes to become red, watery, and itchy; they may try rubbing against furniture to relieve their discomfort or even scratch at their eyes in response. They may paw at their eyes or rub against furniture as a form of relief.

Ear Infections

Recurrent ear infections could be an indicator of allergies, particularly if accompanied by itching and head shaking. Ear infections are both painful and urgently require attention from medical personnel.

Digestive Distress

Allergies may affect your pup’s digestive system and lead to various symptoms:

Vomiting and Diarrhea

If your dog experiences frequent vomiting and diarrhea, allergies to certain foods or environmental factors could be blamed. To provide relief, the cause must be identified quickly for effective remedies.


Excessive flatulence or gassiness in dogs can result from food allergies or sensitivities and be very uncomfortable both for them and those around them.

Itchy or Swollen Paws

Dogs suffering from allergies often lick or chew excessively on their paws, leading to itchy or swollen paws and skin irritation caused by allergens. This behavior indicates skin inflammation.

Skin Rashes and Hives 

Allergic reactions may manifest as skin rashes or hives on your dog’s skin, with red, raised bumps that can become intensely itchy and uncomfortable.

Respiratory Issues Allergies can have an adverse impact on a dog’s respiratory system:

Coughing and Wheezing

Persistent coughing or wheezing could be indicative of respiratory allergies; therefore, it is vitally important to differentiate these issues from any potential health concerns.

Labored Breathing

Allergic reactions may lead to labored breathing in dogs who already have preexisting respiratory conditions. Monitor your pet’s breathing patterns closely.

Nasal Discharge

An increase in nasal discharge that ranges from clear to mucus-like can be an indicator of allergies, often accompanied by sneezing.

Your Dog Sneezing

If your pup experiences sudden bouts of sneezing, this could be an allergic response to environmental elements like pollen or dust mites.

Behavior Changes

Allergies can alter the behavior and disposition of your dog: they could alter both its body language and overall personality.

Restlessness and Irritability

When in discomfort, dogs can often become restless or irritable, making settling down difficult and showing signs of anxiety or stress.

Excessive Sleepiness

Additionally, dogs with allergies may become overly lethargic or sleepy as their bodies attempt to cope with an allergic response.

Changes in Appetite

Allergic reactions can have an adverse impact on a dog’s appetite. He or she may eat less due to discomfort or develop food allergies, which cause digestive distress.

Aggression or Fearfulness 

Pain can lead to behavioral changes that manifest themselves through increased aggression or fearfulness in pets, leading them to act out when feeling uncomfortable. Your pup could lash out when feeling under the weather.

Understanding Your Dog’s Allergens

Understanding what could be contributing to your dog’s allergies will allow you to address them effectively:

Pollen Allergies

Seasonal allergies to pollen from trees, grasses or weeds can be quite prevalent among dogs, leading to respiratory and skin symptoms.

Food Allergies

Dogs may become allergic to certain ingredients found in their diet, such as chicken, beef or grains – leading to digestive issues and eventually leading to death.

Environmental Allergies

Dust mites, mold, and certain cleaning products may trigger allergic reactions in dogs.

Flea Allergies

Flea saliva can be an irritating allergen for some dogs. Even one flea bite can result in extreme itching and discomfort for your pup!

Taking Action

Assuming your dog has allergies is no laughing matter; therefore, appropriate steps must be taken immediately to treat and alleviate their condition.

Consult Your Vet

Schedule an appointment with your veterinarian to have them perform a complete examination and diagnosis to identify which allergens are impacting your dog.

Allergy Testing: 

By conducting allergy tests (either skin tests or blood tests), allergists can identify which allergens are causing your dog’s symptoms.

Once you know about your dog’s allergens, take measures to limit his exposure by altering its diet or environment as necessary or providing hypoallergenic products.

Medication and Treatment Options Available 

Your veterinarian may offer treatments and medication to ease your dog’s allergy symptoms, from antihistamines to allergy shots.


Recognizing and responding to dog allergy symptoms is an integral component of responsible pet ownership. By remaining vigilant and seeking immediate veterinary attention, you can ensure your furry companion leads a comfortable and healthy life. Your pup depends on you to advocate on his behalf; taking action on their behalf demonstrates your love and dedication as an owner.