Yes, dogs can be allergic to fish, although it's relatively uncommon. Fish allergies in dogs can manifest in various ways, including skin irritations, itching, gastrointestinal issues, and ear infections. If you suspect your dog may have a fish allergy, it's important to consult with a veterinarian for proper diagnosis and management. They may recommend an elimination diet to identify the allergen and suggest alternative protein sources for your dog's diet. Common symptoms to look out for include excessive scratching, redness, or inflammation of the skin, and digestive upset after consuming fish-based foods. Always introduce new foods gradually and monitor your dog's reaction closely.

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Topics covered in this question:

Dog Health Pet Care Dog Allergies Fish Allergy Food Sensitivity