A sinus infection (sinusitis) is caused by a virus or (sometimes) bacteria that creates swelling in the nasal passages. Oftentimes, sinus infections come with or after a viral upper respiratory ...

A change of season can worsen various health issues, particularly for those suffering from allergies or sinusitis. If you ...

Sinusitis is inflammation or swelling of sinuses. It causes discomfort and has symptoms like facial pain, nasal congestion, thick nasal discharge, headache, reduced sense of smell, fatigue, and fever.

Sinus blockage, that frustrating feeling of pressure, stuffiness and thick mucus, can make even simple breathing feel like a chore. The sinuses are air-filled cavities in the skull that connect to ...