Eye and Ear Conditions Ear infections are common in young children - more than 80 percent of youngsters have at least one episode by the time they are 3 years old. Allergies, Asthma, Respiratory Problems Some children develop allergies, some develop asthma, and some kids end up with both conditions. Skin Conditions Skin problems can be present at birth - birthmarks, for instance - or they can crop up in childhood - rashes and head lice are two examples. Diabetes and Blood Pressure Problems The more common type of diabetes in children is type 1 diabetes. Some overweight children and teens, however, are developing type 2 diabetes, once seen only in adults. Bone Conditions Several conditions in childhood can have an impact on spine health: scoliosis, kyphosis, and lordosis. Infectious Diseases Measles, tetanus, whooping cough, and other infectious diseases that once affected children are now rare because of immunization.