Texas Regional Asthma & Allergy Center |

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    Our Facility


Texas Regional Asthma and Allergy Center welcomes you to contact our practice. We strive to be the best allergy treatment facility in the Dallas/Fort Worth Metroplex by providing outstanding services and treatment to our patients. If you have questions about our services, our doctors or about treatment services that we provide, please contact us via our website. Telephone You can also contact us directly by telephone: +1-817-421-0770. Online Form

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Asthma Evaluation

An innovative new asthma test is set to dramatically improve treatment for millions of people living with asthma. Exhaled Nitric Oxide testing measures inflammation in the airways which is the underlying cause of asthma. In fact, it tests for a specific type of inflammation in the airways which is the underlying cause of asthma.


Allergy Tests

Information about your Allergy Test Skin tests are fairly reliable as an indication of allergy to inhaled substances but they are not perfect. It is important to match positive allergy tests with the time and characteristics of your symptoms and exposure to the allergen. For example, a positive skin test[…]


Food Allergies

Many people have the perception that they are allergic to foods. However, in reality only about 2% of adults and 8% of children are affected by food allergy.

Food intolerance is sometimes confused with food allergy. Food intolerance is an abnormal response to a food or food additive that is not an allergic reaction. It is different from an allergy in

My doctor helped me breathe…

Dr. Shakouri is an excellent doctor. Intelligent, attentive, listens carefully to what you're experiencing so he can help you choose the best course of action. His nurse and the staff supporting him are all wonderful. Vicki Brei

Rene Albert Leon, M.D.

Dr. Leon has been in practice over 20 years with Texas Regional Asthma and Allergy Center, in Southlake, Texas. Growing up as the son of a physician in South Florida and having been exposed to medicine as a child, sparked an interest in the medical field. Dr. Leon has been married[…]


Richard A. Mayse M.D.

Richard A. Mayse M.D. is a Board Certified specialist in Internal Medicine and Pulmonary Medicine. He completed his medical training at UT Galveston. His internship and residency were completed at St. Paul in Dallas. His fellowship in Pulmonary and Critical Care medicine were completed at the University of California at[…]


Ali Shakouri M.D.

Dr. Shakouri grew up in the DFW area and attended Southern Methodist University, where he graduated Summa Cum Laude in 2002 in biological sciences. He obtained his medical degree from highly-ranked UT Southwestern Medical Center in Dallas in 2006, and was also accepted into their Internal Medicine internship and residency[…]

Dr. Sharon Seth

Sharon Seth, M. D.

Dr. Sharon Seth completed her fellowship in Allergy and Immunology at the University of Texas Southwestern in Dallas under her maiden name Dr. Sharon Deol.  During fellowship, she had the pleasure of treating both pediatric and adult patients at Children’s Medial Center of Dallas, Parkland Memorial Hospital, and William P.[…]


Allergy Immunotherapy

What is Immunotherapy? Immunotherapy is a treatment used to relieve allergy symptoms of hay fever or allergic asthma.  This is done by administering injections of substances such as pollens, mold spores, dust mites, animal dander, or insects to which an individual has been found to be allergic by skin testing.[…]


Stinging Insect Allergy

Allergy to the stings of insects maybe associated with mild to severe symptoms, even death. In all cases of stinging insect allergy, care should be taken to avoid future stings. Patients and other family members should understand how to administer epinephrine (adrenalin) in the event the allergic individual is re-stung.[…]

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