Eyebright is a plant. The parts that grow above the ground are used to make medicine. Eyebright is taken by mouth to treat swollen (inflamed) nasal passages, allergies, hay fever, common cold, bronchial conditions, and inflamed sinuses. It is also used for cancer, coughs, conjunctivitis, earaches, epilepsy, headaches, hoarseness, inflammation, jaundice, runny nose, skin ailments, and sore throat.
Seek professional health advice if pregnant, lactating, suffering from a medical condition or taking medication before supplementing.