Food allergies in dogs are more common than many people think. They can be tricky to spot, but here are five clear signs you should watch for.
1. Itching and Skin Issues

Photo: Shutterstock.com
One of the most common symptoms of food allergies is persistent itching. This often appears as:
Red and irritated skin
Frequent scratching and licking
Hair loss or dandruff
2. Ear Problems

Photo: Shutterstock.com
Allergies often lead to ear-related issues, such as:
Repeated ear infections
Bad odor coming from the ears
Head shaking or scratching near the ears
3. Digestive Issues

Photo Shutterstock.com
Food allergies can also cause digestive problems, including:
Diarrhea
Vomiting
Frequent bowel movements or bloating
4. Changes in the Nails

Photo: Shutterstock.com
In some cases, food allergies can affect your dog’s nails. Look out for:
Discoloration (e.g., darker or reddish tones)
Brittle nails that break easily
Inflammation around the nail bed
5. Excessive Paw Licking

Photo: Shutterstock.com
Another sign is if your dog constantly licks or bites its paws. This is often due to irritation caused by an allergic reaction.
6. Changes in Energy and Mood

Photo: Shutterstock.com
Food allergies can impact your dog’s overall well-being:
Fatigue or low energy
Irritability
Less interest in playing or interacting
When Should You Contact Your Vet?

Photo: Shutterstock.com
If you notice one or more of these symptoms, it’s a good idea to consult your veterinarian.
A proper diagnosis and tailored diet plan can greatly improve your dog’s quality of life.