A sinus infection, or sinusitis, is inflammation of the cavities around your nasal passages. Symptoms of a viral or bacterial ...

They may also examine the inside of your nose to look for signs of inflammation. In most cases, the doctor can diagnose sinusitis based on your symptoms and the physical exam results. If a doctor ...

Acute sinusitis is also typically accompanied by systemic signs such as fever, leukocytosis, and lassitude, along with purulent nasal discharge. The patient may report an olfactory disorder ...