Sinusitis is a common condition, with between 24 and 31 million cases occurring in the United States annually. Chronic sinusitis affects approximately 12.5% of people.
complications of Pharyngitis
complications of Tonsillitis
medical cause of Sinusitis
medical cause of Epiglottitis
medical cause of Tonsillitis
complications of Bronchiolitis
complications of Lemierre's syndrome
causes of Tonsillitis