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Signs Your Pet Has Allergies

Signs Your Pet Has Allergies

Is your dog constantly scratching but is on flea treatment? Or maybe your cat has a constant rash or skin hot spots that never seem to clear up? It is frustrating because often it is hard to determine the cause of the irritation. Trinity Pet Hospital clinic in Laguna Hills is here to discover and treat your furry loved one's allergies. Our veterinarian, Dr. Kerolos, has a special interest in dermatology.

What Are the Signs of an Allergy?

Besides a constant itching and licking, your beloved family member can show other signs of an allergy. These include:

  • Diarrhea
  • Vomiting
  • Scratching ears or chronic ear infections
  • Swelling of the face, eyes, ears, ear flaps, lips, or eyelids
  • Runny eyes
  • Inflamed, red skin or hives
  • Sneezing

Types of Allergies

Although many people know animal allergies exist, they may not realize how many different types of allergies there are. Allergies are mostly attributed to a genetic propensity but can also be brought on or aggravated by the pet's environment. Variations of allergies include:

  • Fleas
  • Food
  • Environmental

Probably the most common problem with these allergies is a skin reaction.


Flea allergies are normally easy to diagnose as the fleas and the bites are evident. The remedy is, of course, to rid the animal of the fleas first and then to treat the bites. If there are skin infections, an antibiotic may be necessary.


It is important to determine if your fur baby has a food intolerance or simply a food sensitivity. Food sensitivity causes a gradual response including itching and digestive issues. Actual food intolerance is presented by an immune reaction and is more serious. Pets will present with facial swelling, hives, rash, vomiting and/or diarrhea. They can even have an anaphylactic response much like a human who is allergic to peanuts or shellfish.

Common allergy culprits for dogs include chicken, beef, soy, wheat, lamb, dairy, and egg. Cats generally have allergies to beef, fish, or dairy.


Just like humans, dogs and cats can have an allergic reaction to environment-related inhalants. This could be pollen, dust mites, mildew, or mold.

Other Reactions

Products you use could be making your furry friend uncomfortable. Shampoo, carpet cleaners, soaps, detergents, scented candles or plug-ins and more can affect your pet adversely.

Diagnosing Allergies

Food allergies are sometimes difficult to diagnose. It is usually a process of elimination. Environmental allergies usually require a skin or blood test.

Trinity Pet Hospital is your Laguna Hills pet clinic for all your pet's veterinary needs. Our veterinarian and staff are here to help you navigate the world of animal allergies. Call us today: 949-232-1788


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7:00 am-6:00 pm


7:00 am-6:00 pm


7:00 am-6:00 pm


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Read What Our Clients Say

  • "Wow! Thanks to all the staff at Anderson Vet Clinic. I feel like you all truly love what you do! My kitty, Lola and I always have such a pleasant experience when we come in. Fortunately, it’s usually just for a check-up, but I would not leave Lola in anyone else’s hands but yours. Thank you for your caring commitment!"
    Maya Smith / Los Angeles, CA
  • "I have benefited tremendously from the care my pet received from Dr. Anderson."
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