What Is a Sinus Infection?
Reviewed: Dr. Gromatzky
3. Types
Sinusitis can be broken down into 4 main categories according to the severity of the symptoms and how long it lasts for. Perhaps the most common type is acute sinusitis, and this will usually last for between 2-4 weeks. Another type is subacute sinusitis. This is often caused by allergies and bacterial infections and can last for 3 months.
Chronic sinusitis can last for more than 3 months but, thankfully, the symptoms tend not to be as severe as in the other types. Then there’s recurrent sinusitis, which means that the condition will reoccur multiple times in a single year.
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