Ze339 Ze339 Ze339 brand herbal extracts are taken from the leaves of a unique variety (Petzell) of the butterbur ("Petasites hybridus") plant. Petzell is grown on GAP-managed farms in Europe. In Switzerland, South Korea and Brazil, tablets containing Ze339 brand herbal extracts are marketed under the brand name Tesalin. Ze339 is marketed in the US as Zarbee's Naturals Seasonal Relief. Ze339 is indicated for seasonal allergic rhinitis (hay fever). The ingredient has been evaluated in placebo-controlled, double-blind clinical studies. Ze339 was shown to be as effective as the antihistamines cetirizine and fexofenadine. Against desloratadine, an improved version of loratadine, Ze339 had
Allergic rhinitis an upward motion: an action known as the "nasal salute" or the "allergic salute". This may result in a crease running across the nose (or above each nostril if only one side of the nose is wiped at a time), commonly referred to as the "transverse nasal crease", and can lead to permanent physical deformity if repeated enough. People might also find that cross-reactivity occurs. For example, someone allergic to birch pollen may also find that he/she has an allergic reaction to the skin of apples or potatoes. A clear sign of this is the occurrence of an itchy throat