Here are five common culprits of hair loss in dogs that should be discussed with your veterinarian. Allergies are a frequent cause of hair loss in dogs. This may due to environmental triggers such as pollen, molds and dust mites, or due to parasitic triggers like fleas or mites. Food allergies are another possible cause of hair loss.
Anemia, also spelled anaemia, is usually defined as a decrease in the amount of red blood cells (RBCs) or hemoglobin in the blood. It can also be defined as a lowered ability of the blood to carry oxygen.
The following are ways red blood cells can be affected and lead to anemia: 1  A lack of iron in the diet as a result of not eating enough iron-rich foods or the bodyâs inability to absorb the iron being consumed. Learn more about how to get iron naturally.