05/02/2026
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Eyebright (Euphrasia spp.)
Eyebright may be found growing in the northern US and Canada, as well as the UK and northern Europe. It is partially parasitic on grasses or clover and is difficult to cultivate. It is gathered while in flower (early August-early September).
Eyebright, contrary to popular belief, is not primarily an eye herb. It has specific activity on the sinuses. It stabilizes mast cells, inhibiting histamine release and over secretion by the mucous membranes. It is very effective for allergic rhinitis, hot/damp sinusitis, serous otitis media in children (with Echinacea), post-nasal drip, and head colds (with Echinacea).
A nasal do**he of a “saline tea” combining Euphrasia, Hydrastis, and Yerba Mansa can be useful for treating stubborn sinus infections, especially fungal infections with a chronic discharge. A neti pot works well, or the tea in an atomizer can also be used.
The dried herb has very little activity beyond being a mild astringent and topical anti-inflammatory.
This blog is intended as an informational guide. The remedies, approaches and techniques described herein are meant to supplement, and not be a substitute for professional medical care or treatment. They should not be used to treat a serious ailment without prior consultation with a qualified health care professional.