marked by pollen the commonly associated with and prescribed
Pecan trees are producing the flowers in April and continue with pollination in May; many individuals are allergic to pecan pollen. The trees are identified by its long sickle shaped leaves, with pointed tips. Pollen is associated with sinus symptoms – sneezing, blocked nose and post-nasal drip.
Oak trees started pollinating in March and continue to produce large quantities of pollen in air. Different types of pollinating oak tress include: Chapman Oak, Post Oak, Swamp Oak, Overcup Oak, Bur Oak, White Oak, Southern Red Oak, Turkey Oak, Black Oak, Northern Pin Oak, Scarlet Oak, Pin Oak, Bear Oak, etc., depending on which part of the country you live. Time of appearance of pollen in air can differ based the onset of warm weather. You develop symptoms of allergy to Oak Tree Pollen because of presence of an antibody called IgE antibody to Oak Tree Pollen, which is usually an inherited mechanism. When the pollen appears in air, and when you come into contact with them in the nose or the eyes, you release a chemical called histamine, which cause redness and itching of eyes.
Walnut tree pollen appear in May and are associated with symptoms of sneezing, blocked nose, runny nose, and itchy-eyes. Black Walnut trees are large with open rounded crown of dark green color. The trees carry pinnate leaves. They pollinate in early spring. Diagnosis of Walnut Pollen allergy is made by allergy skin tests or blood tests. Once diagnosed allergy shots are prescribed if the symptoms are severe enough. There is no connection between Walnut pollen allergy and allergy to Walnuts.