Sinusitis, Animation.

Sinusitis, Animation.

Sinusitis, also known as sinus infection or rhinosinusitis, is a very common condition where the paranasal sinuses are inflamed, causing congested nose, headache and facial pain. Paranasal sinuses are air cavities in the bones of the skull. There are four pairs of sinuses located on either side of the head. They are the maxillary, frontal,…