Antibiotics are standard treatments for bacterial sinusitis. Antibiotics are usually taken from 3 to 28 days, depending on the type of antibiotic. Because the sinuses are deep-seated in the bones, and blood supply is limited, longer treatments may be prescribed for people with longer lasting or severe cases.
Some over-the-counter medications can also help provide relief. Some of these include nasal decongestant sprays, antihistamines and saline rinses.