Allergology deals with the study, diagnosis and treatment of allergies – food, respiratory and skin allergies being among the most common. Allergies are the immune systems response to substances, known as allergens. For most people, these substances are harmless. Patients can consult an allergy specialist at a hospital or a private medical practice
You may call them simply doctors. But most doctors have extra expertise in one type of medicine or another. In fact, there are several hundred medical specialties and subspecialties. Here are the most common types of doctors you'll likely see.