Question and answer

Acute sinusitis complications include:

  • Asthma flare-ups. Acute sinusitis can trigger an asthma attack.
  • Chronic sinusitis. Acute sinusitis may be a flare-up of a long-term problem known as chronic sinusitis. Chronic sinusitis is sinusitis that lasts longer than eight weeks.
  • Meningitis. This occurs when infection spreads to the lining of the brain.
  • Vision problems. If infection spreads to your eye socket, it can cause reduced vision or even blindness. This is a medical emergency that requires immediate treatment to prevent potentially permanent damage.
  • Ear infection. Acute sinusitis may occur with an ear infection.