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
Rhinitis asthma developing later in life. Environmental irritants acts as modulators of airway inflammation in these contiguous airways. Development of occupational asthma is often preceded by occupational rhinitis. Among the causative agents are flours, enzymes used in processing food, latex, isocyanates, welding fumes, epoxy resins, and formaldehyde. Accordingly, prognosis of occupational asthma is contingent on early diagnosis and the adoption of protective measures for rhinitis. In the case of infectious rhinitis, vaccination against influenza viruses, adenoviruses, measles, rubella, "Streptococcus pneumoniae", "Haemophilus influenzae", diphtheria, "Bacillus anthracis", and "Bordetella pertussis" may help prevent it. The management of rhinitis depends on the underlying cause.