Oregano oil for sinuses? (Another pinned wrote:) Use Oregano to help open clogged sinus passages, to thin mucous and stop excess mucous secretion. It will also minimize allergic reactions as it kills molds and other sinus agitators.
Suffering from a sinus infection can be downright miserable - pain, congestion, and constant tissues. I see folks in my office all the time in search ways to treat a sinus infection without antibiotics.