10 Simple Yet Effective Home Remedies For Sinus Infection. Sinusitis, also known as rhinosinusitis, is inflammation of the paranasal sinuses. It can be due to infection, allergy, or autoimmune problems. Most cases are due to a viral infection and resolve
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.