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Allergies and Asthma Due to Cockroaches

January 19, 2024 | Black & Kletz Allergy

It is estimated that approximately 33% of people are allergic to cockroaches. Cockroaches are quite allergenic, which may attribute to the high number of individuals who are allergic to these nasty insects. There are over 3,500 species of cockroaches worldwide. Cockroaches have been around for more than 300 million years. They have adapted to living […]

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Prevention of Food Allergies

January 19, 2024 | Black & Kletz Allergy

LEAP and EAT Studies A landmark study published in 2015 called “Learning Early About Peanut Allergy (LEAP),” revolutionized our understanding of the development of peanut allergy in children and transformed the guidance that pediatricians and allergists/immunologists give to parents about when to introduce peanut foods to children at high risk for food allergies. Babies enrolled […]

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Christmas Tree Syndrome

December 21, 2023 | Black & Kletz Allergy

Christmas tree syndrome is a relatively new term that is used to describe allergies to Christmas trees, whether they are real or artificial. The allergen can be the tree itself or it can be something that is on the surface of the tree. Symptoms: The symptoms of Christmas tree allergy are the same symptoms that […]

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Pollen Food Allergy Syndrome Update

December 19, 2023 | Black & Kletz Allergy

Many patients who experience seasonal allergic rhinitis (i.e., hay fever) and allergic conjunctivitis (i.e., eye allergies) symptoms (e.g., sneezing, runny nose, nasal congestion, post-nasal drip, sinus congestion, itchy nose, itchy throat, sinus headaches, itchy eyes, watery eyes, redness of the eyes) caused by sensitivities to tree, grass, and weed pollens also may experience an itchy […]

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Corn Allergy and Corn Intolerance

November 18, 2023 | Black & Kletz Allergy

Corn (i.e., maize) is a popular staple food worldwide, providing essential nutrients such as vitamins, minerals, and fiber. Corn is also a common component of processed foods. Despite its nutritional value and popularity, for those individuals with corn allergies or corn intolerance, consuming corn or corn-derived products may lead to adverse health effects. Although corn […]

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Allergies and Sleep Apnea Update

November 8, 2023 | Black & Kletz Allergy

Snoring is not an uncommon symptom in patients with allergic rhinitis (i.e., hay fever). Snoring is the harsh sound that arises when air flows past the relaxed tissues in the throat. The actual snoring sound is a result of the vibration of the throat’s tissues as one breathes. Mild intermittent snoring is quite common and […]

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Eustachian Tube Dysfunction

October 27, 2023 | Black & Kletz Allergy

Hill metro station on the silver line. If you would like to make an appointment with an allergy doctor Mclean VA, please call us or alternatively, you can click Request an Appointment and we will respond within 24 hours by the next business day. Black & Kletz Allergy has been providing quality allergy, asthma, sinus, and immunological services to the DC metro area for more than 50 years.

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Chronic Sinusitis Update

October 2, 2023 | Black & Kletz Allergy

The term “chronic sinusitis” is defined as an inflammation of the sinus or sinuses lasting more than 12 weeks in duration. The inflammation can be of any etiology however it is implied and commonly agreed upon that infection is the primary cause of chronic sinusitis. In order to understand chronic sinusitis, it is important to […]

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Sesame Allergy

September 16, 2023 | Black & Kletz Allergy

Allergic reactions to sesame are increasing in incidence over the past several years. Sesame is the 9th most common food allergy among children and adults. Approximately 0.23% of the U.S population are allergic to sesame. Although 0.23% seems like a small number, the National Institute of Health’s (NIH) researchers estimate that 17% of food-allergic children […]

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Allergies to Mold, Mildew, Yeast, and Fungus

September 12, 2023 | Black & Kletz Allergy

It is quite common for individuals to be allergic to mold, particularly in the Washington, DC, Northern Virginia, and Maryland metropolitan area. Not only is the humidity elevated in this region, but Washington, DC was built on a swamp. In the Spring, it rains quite often contributing to an increase in moisture and thus mold. […]

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Nasal Polyps Update

August 30, 2023 | Black & Kletz Allergy

Nasal polyps (i.e., nasal polyposis) are soft, benign growths that develop from the lining of the sinuses and nasal cavity. Approximately 4-5% of the general population has nasal polyps. They look like glistening moist grapes and are typically in the shape of teardrops. These new growths result from chronic inflammation of the tissues inside the […]

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Fall Allergies

August 10, 2023 | Black & Kletz Allergy

As we approach the end of Summer in the coming month, many individuals will begin to experience an increase of their allergy symptoms. In the world of allergies, these symptoms are considered Fall allergies. Typically in the Washington, DC, Northern Virginia, and Maryland metropolitan area, ragweed begins to pollinate in mid-August. The release of ragweed […]

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Food Allergy vs. Intolerance vs. Sensitivity

July 26, 2023 | Black & Kletz Allergy

There are different mechanisms that play a role in the causation of adverse and undesirable effects triggered by the consumption of food. In the world of food allergies, It is important to distinguish between these mechanisms in order to arrive at an accurate diagnosis. Allergy, intolerance, and sensitivity to foods require different diagnostic approaches including […]

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Summer Allergies vs. Summer Cold

July 19, 2023 | Black & Kletz Allergy

So, you have a runny nose, nasal congestion, sneezing, post-nasal drip, sore throat and coughing and it is the Summertime. Are you confused? You thought allergies occur in the Spring and Fall. You thought that “colds” occur in the Fall and Winter. Well, both “colds” and allergies can occur anytime and Summer is no exception. […]

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Epinephrine Nasal Spray

June 22, 2023 | Black & Kletz Allergy

Allergic reactions can sometimes be life-threatening. Anaphylaxis is a severe allergic reaction that is characterized by a sudden onset of symptoms with rapid progression. The manifestations may include generalized itching (i.e., pruritus), hives (i.e., urticaria), swelling (i.e., angioedema) of soft body parts, rapid pulse rate, a precipitous drop in blood pressure, dizziness, nausea, vomiting, abdominal […]

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Mold Allergy Update

June 9, 2023 | Black & Kletz Allergy

Mold allergies are very common, particularly in the Washington, DC, Northern Virginia, and Maryland metropolitan area. The reason why there appears to be a high prevalence of mold-allergic individuals in the Washington, DC metro area may be tied to the fact that Washington, DC was built on a swamp. The climate in this mid-Atlantic region […]

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Mammalian Meat Allergy Update

May 18, 2023 | Black & Kletz Allergy

Mammalian meat allergy which is also known as alpha-gal syndrome causes an immediate hypersensitivity reaction hours after eating beef, pork, lamb, venison, or any other mammalian meat product. Although the allergy was first described in patients with hives (i.e., urticaria) and severe life-threatening reactions such as anaphylaxis, there is now a new phenotype of mammalian […]

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Poison Ivy, Poison Oak, and Poison Sumac Update

May 4, 2023 | Black & Kletz Allergy

It is the Spring now and people will be spending a lot more time outdoors. Activities such as hiking, gardening, landscaping, golf, and picnicking tend to pick up in the Spring when the temperatures are warmer and these activities are generally enjoyed until the late Fall in the Washington, DC, Northern Virginia, and Maryland metropolitan […]

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SMART Asthma Therapy

April 12, 2023 | Black & Kletz Allergy

Asthma is a chronic inflammatory disease of the airways that causes frequent symptoms of coughing, chest tightness, wheezing and/or shortness of breath. If the symptoms are less frequent than twice a week during the daytime and less than twice a month during the nights, it is termed “intermittent” asthma. If the symptoms are more frequent […]

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Hives, Itching, and Swelling

April 3, 2023 | Black & Kletz Allergy

Of all the ailments that people seek an allergist’s care for, one of the most bothersome conditions is hives (i.e., urticaria). A hive can be described as an itchy red blotch or welt that can occur anywhere on the skin. A hive can be flush with the skin or it can be a raised bump. […]

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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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