What if sinusitis is not treated?

The main nose that happens when sinusitis is not treated? What if sinusitis is not treated? What happens under the protection of the question if sinusitis is not treated? The answer to the delay of sinus treatment can lead to excessive suffering due to pain. In rare cases, the treatment of sinusitis cannot lead to meningitis fever or brain -abscess and osteopritis. Questions and answers to the methods to treat Osller Weber Rendo, a swollen lymph node in the neck without pain, what happens if sinusitis is not treated? Do you need sinusitis to make lifestyle changes? How is sinusitis treated?