Donald Zedalis, MD

Sleep Medicine Doctor

Dr. Donald Zedalis is a Sleep Medicine Doctor in Christiansburg, VA with special training and skill in disorders related to patient sleeping patterns and sleep quality. As a Sleep Medicine Doctor, Donald Zedalis, MD performs sleep quality testing, clinical condition assessment, sleep studies, and behavioral therapy. Sleep Medicine is a medical specialty focused on identifying sleep disorders and relieving pain, distress, and illness related to those disorders. Significant diseases and conditions treated by Sleep Medicine Doctors include REM behavior disorder (RBD), sleep paralysis, sleepwalking, sleep apnea, insomnia, recurring nightmares, shift work disorder, circadian rhythm disorders, teeth grinding (bruxism), night terrors, bedwetting, chronic fatigue syndrome (CFS), and restless legs syndrome (RLS). Medical tests, procedures and therapies provided by Sleep Medicine Doctors include physical examination, sleep studies, polysomnography, multiple sleep latency testing, maintenance of wakefulness testing, actigraphy, mental health evaluation, prescribing medication, and referral to other specialists as necessary.

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Allergist & Immunologist

Dr. Donald Zedalis is an Allergist & Immunologist in Christiansburg, VA with special training and skill in diagnosing and treating conditions that affect the immune system. As an Allergist & Immunologist, Donald Zedalis, MD performs therapies to treat conditions like asthma, allergic reactions, and immune system disorders. Allergy & Immunology is concerned with addressing the causes and treating the symptoms of immune deficiencies and hypersensitivities. Significant diseases and conditions treated by Allergists & Immunologists include allergic conjunctivitis, gastroenteritis, eczema, immune deficiencies, organ transplants, asthma, and allergic reactions to pollen, mold, food, drugs, and insect stings. Medical tests, procedures and therapies provided by Allergists & Immunologists include allergy testing, allergy injection treatment, prescribing medication, and referring patients to other specialists as needed.

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.