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At Allergy, Asthma & Sinus Center, we work to provide you with the highest quality of patient care and effective allergy treatments in Sterling, Leesburg, and Purcellville, VA. With a warm and welcoming environment and flexible schedules to fit your busy lifestyle, we work hard to be your partner in health.

Is a board-certified physician with the American board of Allergy and Immunology. He is a well-respected member of the American Academy of Allergy, Asthma, and Immunology as well as the American College of Allergy, Asthma, and Immunology.
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A food allergy occurs when the body treats a particular food protein as foreign to the body and responds with release of chemicals called histamines, causing food allergy symptoms. Food allergies can cause an overreaction by your immune system reaction that occurs soon after eating even a tiny amount of a certain food.
Most American households have a pet, and most pet owners look at Fido or Fluffy as a member of the family. When a family member is suffering from or suddenly develops animal allergies in Sterling, Leesburg, or Purcellville, Allergy, Asthma & Sinus Center offers relief and management of pet allergies.
At Allergy, Asthma & Sinus Center, our board-certified allergy and asthma specialists are trained in the diagnosis and treatment of asthma disorders in Sterling, Leesburg, and Purcellville, VA. Our specialists are trained to identify the factors that trigger asthma and to help our patients treat their respiratory problems in Sterling, Leesburg, and Purcellville, VA.
At Allergy, Asthma & Sinus Center, our dedicated staff works to help our patients feel better fast! We provide diagnosis and treatment of your sinus problems in Sterling, Leesburg, and Purcellville. Our treatments work in a variety of effective ways that help you get back on track with your busy lifestyle without uncomfortable sinus pain and pressure.
Reviews (2)
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Brittany Zarate
Jul 26, 2021
We love Dr. Daghigh and the staff! Dr. Daghigh has been very helpful with my son who's primary issue is asthma. He listens to all my concerns and comes up with a good plan that works for us. He is also great with my 5 year old son too making him feel comfortable.
Michael Kellogg
Jun 03, 2021
Had to wait a month just to get a "tele-appointment". Had to scan and sign a bunch of documents and send them back to them or my appointment was automatically cancelled. All their website has is phone numbers. Why do you not have an email address listed on your website if I have to email you things. Appointment is on monday at 9am when they open. even though I know I need to send them paperwork on the weekend I can't send them anything because their website is useless. Went to another allergist in the area that saw me in person, did allergy tests, and went over the results with me all in one appointment