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Archive: Month: February 2026

Post-Nasal Drip

February 11, 2026 | Black & Kletz Allergy

A common complaint among patients is the need to clear their throats frequently in an attempt to get relief from a feeling of “irritation” in their throats.  This feeling is often termed “post-nasal drip,” implying excessive secretions from the upper respiratory tract draining down the back of the throat. All because the feeling of a post-nasal drip is present, there are many other conditions or processes that […]

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Update on Mast Cell Activation Syndrome (MCAS)

February 3, 2026 | Black & Kletz Allergy

Mast cell activation syndrome (MCAS) is caused by episodic abnormal release of chemical mediators stored in the granules of mast cells which may affect any organ system.  The organ systems most affected tend to involve the skin, gastrointestinal tract, nervous system, and cardiovascular system primarily.  Although the prevalence of mast cell activation syndrome varies a […]

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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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