, being the largest organ covers the whole body and provides protection and warmth. It acts as a barrier to prevent germs and water from entering the body and keeps body fluid inside. Any abnormality in its function leads to infections and fluid losses. The appearance of the skin gives an idea of the overall health of your pet. Infections, allergies, and external parasites can cause the breakdown of this protective covering. Skin can be an insight into underlying health problems such as systemic conditions including autoimmune disorders, hormonal imbalances, and nutritional deficiencies which show characteristic patterns.