dermatologist
The specialist that deals with feet is called a podiatrist. He/she concentrates on the diagnosis and treatment of disorders of the foot, ankle, and lower leg.
A gastroenterologist is a physician specialist in the treatment of diseases and disorders of the digestive system. A gastroenterologist may also be called a GI specialist (gastrointestinal specialist).
A nephrologist is a specialist in diseases and disorders of the kidney. They are trained in diagnosing and treating conditions such as chronic kidney disease, kidney stones, and kidney failure.
A specialist in nerves is called a neurologist. They diagnose and treat disorders of the nervous system, which includes the brain, spinal cord, and nerves.
A hematologist is a medical specialist who diagnoses and treats disorders of the blood. The hematologist also cares for blood-forming organs.
A physician who studies hearing is called an auditory specialist. An audiologist is a specialist in the disorders of hearing who is not a physician, but has special training in this area.
A hematologist is a specialist who treats diseases and disorders of the blood and blood-forming tissues. They are trained to diagnose and manage conditions such as anemia, leukemia, lymphoma, and bleeding disorders, among others.
A somnologist is someone who specializes in sleep disorders. They study and treatment of sleep disorders and irregularities thus the term for a doctor who studies sleep disorders would be called a somnologist.
A flag specialist is called a vexillologist.
anticonvulsants , indicated for the treatment of absence seizures (sometimes called petit mal seizures) associated with epilepsy and other seizure disorders.
Cachexia is a debilitating disease usually associated with cancer, certain infectious diseases, and other autoimmune disorders. It is also called the wasting syndrome.