The springtime misery of seasonal allergies – allergic rhinitis or hay fever - affects about 20% of the population. Pollen from grass, trees and flowers provide the insult. It’s common for people to recommend the use of various antihistamines to reduce the common symptoms of sneezing, coughing, a runny or stuffy nose, and itching in the eyes, nose, mouth, and throat. However, anti-histamines do not influence the underlying allergic mechanism but merely blocks its expression. Steroid based nasal inhalers can only be safely used for short periods.
A broader range of treatment options to draw upon would be desirable. What other arrows are in the treatment quiver?
In Europe, butterbur roo