Same Day Appointments Available

Archive: Month: May 2025

Histamine Intolerance

May 28, 2025 | Black & Kletz Allergy

Histamine is a biogenic amine (i.e., an organic compound made up of carbon and nitrogen bonds) with several biological effects across different types of cells, mediated through the activation of histamine receptors.  Histamine is normally present within mast cells and other similar cell types such as basophils.  Mast cells are cells of the connective tissue that contain many granules rich in histamine and other chemicals.  Histamine is also present in various […]

Read More

Allergies to Pollen

May 23, 2025 | Black & Kletz Allergy

Individuals with pollen allergies may be affected throughout the year, depending on where they live or travel.  In the Washington, DC, Northern Virginia, and Maryland metropolitan area, pollen allergies are bothersome to allergic individuals generally from late February through the first frost, which is usually at the end of October.  In this region, trees are the […]

Read More

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


Our Doctors have been featured in both the National and Local News