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.
If in normocytic anemia the MCV is normal but RDW is increased, then a suspicion of an early case of folate, vitamin B12, or iron deficiency may be appropriate. Normally, prolonged cases of folate and vitamin B12 deficiency cause macrocytic anemia, where the red blood cells are large. Conversely, chronic cases of iron deficiency anemia, the leading cause of anemia worldwide, are microcytic. This is where red blood cells are small in size.