Shedding is normal, but severe hair loss or bald spots show your pet has a serious health issue. Stress, hormones, and flea allergies all cause hair loss.

POLLEN: Pollen is what triggers Romeo’s allergies. An allergic reaction to pollen can cause swelling and itching. A dog’s ...

It is more difficult to diagnose a cat with feline atopic skin syndrome than it is to diagnose a dog with atopic dermatitis, ...

Unlike food allergies, environmental allergies are often seasonal, although some dogs may suffer year-round. Common symptoms include itching, red and inflamed skin, ear infections, and sneezing.