Dr. Reid Johnstone graduated from University of South Carolina School of Medicine in 1997.
Dr. Johnstone has two offices in South Carolina where he specializes in Allergy / Immunology and Internal Medicine. Learn more.
Dr. Johnstone works with two doctors including Dr. Rudolph Johnstone and Dr. Andrea Lantz.
As an allergist / immunologist in Greenville, Dr. Reid Johnstone offers specialized care for allergic reactions and immunological disorders in patients of all ages. Dr. Johnstone may treat and manage conditions like asthma, hives, and a range of allergic reactions like environmental or food allergies. He may also treat rhinitis & sinusitis, as well as other disorders that affect the body's immune system.
The specialty of internal medicine is an area of primary care for adults. Dr. Johnstone specializes in diagnosing and treating cross-system illnesses that may affect multiple organ systems. He may also refer patients to specialist physicians when medically needed. For instance, patients with serious heart problems could be referred to a cardiologist for further diagnostic tests or therapies.