Hair loss is common in dogs, but bare spots in his coat may be a sign of infection or disease. WebMD explains the symptoms of a condition you may need to treat.

Mold as a source of dog hair loss. As you know, mold can grow just about anywhere. It has a devastating effect on food, wood, carpets, and other household items.

However, hair loss could still make your dog feel itchy and uncomfortable — not to mention impact their natural coat. Here's the good news though: Many causes of canine hair loss are treatable.

As a dog owner, pay attention to the seasonal changes in your dog’s shedding, so you know when something is amiss with your pet. Hair loss that reaches beyond your dog’s normal shedding can ...