what are common diseases in dogs
Heart disease is common in dogs. Valvular heart disease is the most common cause of heart disease and is especially common in small breed dogs. The mitral valve is the valve of the heart that is most often affected.
Dog Disease 5: Lyme Disease in Dogs. Lyme disease is a bacterial disease spread by ticks. Infected dogs exhibit symptoms such as limping, lethargy, depression, loss of appetite and fatigue. Lyme disease can affect the heart, kidneys and brain.
Ear infections are a common canine health problem, and they can be caused by allergies, yeast, ear mites, bacteria, hair growth deep in the ear canal, and more. Symptoms your dog may have with an ear infection include: 1  Head shaking or head tilting. 2  Ear odor.