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Category: BLOG

Hypereosinophilic Syndrome

January 9, 2025 | Black & Kletz Allergy

An eosinophil is a type of white blood cell that has a role in fighting against parasitic infections and responding to allergens.  Eosinophils normally constitute about 5 to 8% of the white blood cells in one’s bloodstream.  Their absolute numbers range from 100 to 500 eosinophils per microliter of blood. In individuals who are atopic, (i.e., people […]

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It’s an Early Spring – What Can You Do Now?

March 7, 2017 | Black & Kletz Allergy

People in the Washington, DC, Northern Virginia, and Maryland metropolitan area as  well as in the Northeast are experiencing record warm temperatures this Winter.  This warm weather seems to have confused the trees into releasing their pollen much earlier this year than in previous normal years.  In February of this year, tree pollen counts hit “high” […]

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Allergy Shots – A Brief Overview

November 7, 2016 | Black & Kletz Allergy

Allergy shots are synonymous with other terms such as allergy immunotherapy, allergy injections, allergy desensitization, and allergy hyposensitization. The allergy shots Gainesville, VA residents rely upon are the same allergy shots that have been given in the U.S. for over 100 years. They have been an important method of preventing and/or diminishing allergy symptoms in tens […]

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Alcohol Allergy and Intolerance

October 17, 2016 | Black & Kletz Allergy

As allergy specialists Centreville, VA patients trust may attest, while it is possible to be allergic to alcoholic beverages, an alcohol allergy is relatively rare.  Most of the time, it is an intolerance and not an allergy to the alcohol that is bothersome to an individual.  An intolerance is basically an unwanted side effect of […]

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Hay Fever in the Fall

September 28, 2016 | Black & Kletz Allergy

September may be the month to consult an allergy specialist Centreville VA patients turn to, as ragweed pollen counts peak and wreak havoc in allergic individuals in the Washington, DC, Northern Virginia, and Maryland metropolitan area including the following cities in Northern Virginia: McLean, VA, Tysons Corner, VA, Vienna, VA, Fairfax, VA, Arlington, VA, Great Falls, VA, Falls Church, […]

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Fall Allergies are Quickly Approaching

August 9, 2016 | Black & Kletz Allergy

As the Summer draws closer to an end in Gainesville, VA, Tysons Corner, VA, Falls Church, VA, and the rest of the Washington, DC metropolitan area, you may be searching for an allergist in Arlington, VA as certain allergens become more prevalent which tend to cause an increase in allergy symptoms in certain allergic individuals. […]

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Rashes from Plants

July 22, 2016 | Black & Kletz Allergy

The Allergists McLean VA Trust for Plant Rash Treatment With the advent of summer, many people in Gainesville, VA, Falls Church, VA, Tysons Corner, VA, as well as the rest of the Washington, DC metropolitan area, are experiencing various types of rashes after outdoor activities. “Irritant contact dermatitis” develops in individuals with very sensitive skin when they […]

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Asthma and Aspirin

May 16, 2016 | Black & Kletz Allergy

Providers of Asthma Treatment Gainesville VA Patients Trust: Dr. Kletz & Dr. Gondi Any provider of asthma treatment in Gainesville can tell you that about 10% of all adults with asthma may have a condition called Aspirin Exacerbated Respiratory Disease (AERD), also known as Samter’s Triad, or Aspirin-Sensitive Asthma. The 3 components of the disease are: Persistent asthma Chronic inflammation […]

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Epinephrine Auto-Injectors

April 19, 2016 | Black & Kletz Allergy

The Allergy Doctor Centreville, VA Relies On Explains Epinephrine Auto-Injectors Severe sensitivity to certain foods, insect venoms, and certain medications can lead to a life- threatening reaction called anaphylaxis.  The symptoms usually begin within a few minutes after exposure and can progress very rapidly.  Anxiety is often the initial symptom and the other usual manifestations include generalized itching, redness, hives, […]

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Can Sleep Disorders be Due to Allergies?

April 18, 2016 | Black & Kletz Allergy

A top allergist Arlington, VA trusts examines the correlation between allergies and sleep disorders Sleep disorders affect about 30% of the population.  Several sleep disorders have been linked to allergies.  People who suffer from hay fever (allergic rhinitis) are more than twice as likely to have insomnia as those individuals who do not have hay fever.  They […]

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7 Things You Can Do To Get Ready for the Tree Pollen in the Spring

March 14, 2016 | Black & Kletz Allergy

Well it is the middle of March in Arlington, VA, Centreville, VA, and Vienna, VA as well as the rest of the Washington, DC, northern Virginia, and Maryland metropolitan area, and Spring is around the corner.  Pretty soon the cars will be covered in yellow pollen, the cherry trees will be in full blossom, and many allergy sufferers will […]

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New Tests for Food Allergies

March 9, 2016 | Black & Kletz Allergy

It is estimated that about 3 million children and adolescents in the U.S. have food allergies. As an allergy doctor serving Mclean VA, I see many food allergy cases. For reasons that are not entirely clear, the incidence (newly reported and diagnosed cases) has been increasing steadily over the past several years. Milk, wheat, egg, peanuts, […]

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New Treatments For Asthma

February 16, 2016 | Black & Kletz Allergy

More than 22 million people in the U.S. suffer from asthma. As Centreville allergists, we know there are many options for treating your allergies. Though several effective medications are available, many asthmatics frequently experience severe flare-ups of their asthma causing shortness of breath, wheezing, and/or cough.  About 400, 000 people end up getting hospitalized every year in the U.S. for management […]

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Winter Allergies

December 18, 2015 | Black & Kletz Allergy

As we approach the Winter season, many allergy sufferers in the Washington, DC metropolitan area either notice allergy symptoms or still continue to have symptoms that they have had throughout the year. Manassas and Centreville allergists, see these individuals with hay fever (allergic rhinitis) and/or asthma symptoms. In the Winter, allergies are typically caused by dust mites, […]

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Holidays and Allergies

December 18, 2015 | Black & Kletz Allergy

For many people with a history of allergies and asthma, a few precautions during the holiday season will ensure full enjoyment of the festivities. Food allergies:  There is usually some increase in the incidence of emergency room visits due to adverse reactions from foods during December and January.  While attending parties, a thorough reading of […]

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Over-The-Counter Allergy Medications and Their Possible Side Effects

November 25, 2015 | Black & Kletz Allergy

Any Arlington allergist can tell you: millions of allergy sufferers reach for over-the-counter (OTC) allergy medications daily to try to get relief from their allergy symptoms. There are numerous medications available and they come in a variety of routes of administration. The medicines come in the forms of tablets, capsules, syrups, powders, nasal sprays, eye […]

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Respiratory Infections and Asthma

November 6, 2015 | Black & Kletz Allergy

As we enter into the “cold and flu” season, children and adults with a history of asthma may experience an increase in the frequency and severity of their asthma symptoms triggered by these infections. Most of us have to contend with a few upper respiratory infections (e.g., cold, flu, sinusitis) each year. Viruses are the usual culprits and the rhinovirus is […]

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Exercise-Induced Hives, Angioedema, Anaphylaxis, and Asthma

October 2, 2015 | Black & Kletz Allergy

In a small percentage of individuals, exercise can cause an array of allergic symptoms ranging from itching, to hives, to swelling episodes, to asthma symptoms, to a life-threatening anaphylactic reaction. The reactions can occur either during or after exercise. If you are experiencing any allergic symptom associated with exercise, you should see a board certified allergist. In a subset of the […]

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Can Allergies Cause Flushing?

September 21, 2015 | Black & Kletz Allergy

Flushing occurs when the blood vessels dilate and increase the blood supply to the skin. It is manifested as rapid reddening of the skin usually associated with a feeling of warmth. The episodes usually last for a few minutes at a time, but can last longer. If the blood vessels are dilated due to the […]

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Mosquito Bite Allergy

September 18, 2015 | Black & Kletz Allergy

Signs and Symptoms Although mosquito bites are quite common among the general population, allergies to mosquito bites are luckily rather rare. Most individuals experience localized itching, swelling, and/or redness of the skin at the site of the bite. However, if someone is allergic to the mosquito, they may have more severe skin reactions which can […]

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McLean, VA Location

1420 SPRINGHILL ROAD, SUITE 350

MCLEAN, VA 22102

PHONE: (703) 790-9722

FAX: (703) 893-8666

Washington, D.C. Location

2021 K STREET, N.W., SUITE 524

WASHINGTON, D.C. 20006

PHONE: (202) 466-4100

FAX: (202) 296-6622

Manassas, VA Location

7818 DONEGAN DRIVE

MANASSAS, VA 20109

PHONE: (703) 361-6424

FAX: (703) 361-2472


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