Is your dog facing skin problems? Is it constantly scratching, itching and biting itself? And, you don’t know why this happens? If so, don’t be nervous. You are not alone. Most of the dog owners have same problems. Actually, itchy skins are extremely common in dogs and are often caused by a variety of reasons. The most common reason for itchy skin is – fleas. These tiny parasites are awfully irritating and cause flea allergy…