by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
Anne, a 28 year old musician, has experienced increased sneezing with a runny and stuffed nose, for more than ten years, particularly worse in the fall. She wonders “Am I allergic to something in the air?” Defined as an “abnormal sensitivity to...
by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
As we know, allergic reactions involve an interaction amongst IgE, allergens, mast cells or basophils, which release chemical mediators such as histamine, leukotrenes, and prostaglandins to name a few. After being released from mast cells, histamines seek out...
by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
Pollen, tiny particles that travel in the air or carried by insects, are male cells of flowering plants and essential to plant fertilization. However, if it’s windy while pollination is in progress, there exists a higher tendency of wind-borne-pollen induced...
by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
This past Labor Day weekend, Matt, a thirty year old with a long history of seasonal allergic rhinitis and asthma in the fall, attended his new girlfriends’ family picnic. Shortly after arriving, Matt began to develop a runny nose and sneezing. But after pestered by...
by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
Our sinuses are located within cavities beneath the formation of our cheekbones, called maxillary, behind the forehead and eyebrows, called frontal, on both sides of the bridge of the nose, called ethmoid, and behind the nose, in front of the brain, called sphenoid....
by Dr. Tsai | Nov 20, 2020 | Allergic Rhinitis and Sinusitus
Allergic rhinitis, chronic inflammation of the lining membrane of the nose, is triggered by allergens such as trees, grasses, weeds, dust mites, and animal dander. The interaction between allergens, IgE and our mast cells and basophiles triggers the release of...