A nasal irrigation solution comprising is disclosed comprising water and
hydrastine extracted from one or more plants. Another solution comprises
water and berberine extracted from one or more plants. These solutions
are provided from an extract of goldenseal plant. Solutions are also
disclosed having canadine, canadaline, and hydrastidine, all extracted
from the goldenseal plant. More general solutions are disclosed including
alkaloids extracted from one or more plants. The alkaloids are selected
from one or more of the group consisting of: berberine, oxyberberine,
berbamine, palmatine, magnoflorine, phellodendrine, jateorrhizine,
candicine, menisperine, coptisine, worenine, columbamine, epiberberine,
hydrastine, canadine, canadaline, hydrastidine, oxycyanthine,
berberrubine, and isotetrandine. Alkaloids are provided from plant from
the group consisting of: Oregon grape root, yellow root, phellodendron
bark, coptis rhizome, barberry root, and Indian barberry root bark. Other
constituents may include extract of grapefruit seed, vegetable glycerine,
salt, and water soluble zinc. A method for using these solutions is
disclosed which includes flowing the solution through desired portions of
nasal cavities.