Dogs, like humans, can be allergic to various substances. Some common allergens for dogs include: 1. **Food**: Ingredients like beef, chicken, dairy, wheat, and soy are frequent culprits. 2. **Environmental**: Pollen, mold, dust mites, and certain plants can trigger allergies. 3. **Fleas and Other Parasites**: Flea saliva is a common allergen, along with mites and ticks. 4. **Medications**: Some dogs can be allergic to certain medications. 5. **Cleaning Products**: Household cleaners, detergents, and even certain shampoos can cause allergic reactions. If you suspect your dog has allergies, consult your vet for proper diagnosis and treatment.

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Topics covered in this question:

Dog Care Pet Health Dog Allergies Common Allergens