Dogallergiesand catallergiescausethe same reactions as other environmentalallergens. Theycauseyour body to react to harmless proteins in your pet’s skin, urine, or saliva (not their fur, as many assume). These proteins trigger the body to react with an immune response.
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Appleallergiescan becausedby a reaction to a protein within theappleor by a condition called oralallergysyndrome. Symptoms include an itchy throat and swollen lips, but a severeallergicreaction can lead to anaphylactic shock, a life-threatening condition.
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DogFoodAllergies|Dogfoodallergies,Dogfoodrecipes, Hypoallergenicdogfood.BestFoodforDogswithAllergies. The most commoncauseof skinallergiesindogsis something that they areallergicto,causingan itchy rash.
TransitioningDogFood: A Key Factor. If you suspect that switching yourdog’sfoodhascausedanallergy, it’s vital to consider how the transition was conducted. Sudden changes to adog’s diet can be stressful for their gastrointestinal system.

For mostdogs, ear infections come fromfoodallergies.Allergiestofoodcauseinflammation in the intestines, which leads to bacterial and/or yeast overgrowth in the intestines, which then spreads to the whole body, including the ears.
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In canines,foodallergiesare the most prevalentcauseof chronic itching. These are often confused with the mosquito, ticks, flea bites, or infections, but they are different. Mostallergiesresult from environmentalcauseslike anallergen(pollen grain or mosquitos bites, or any other).