The sinus is an air-filled, hollow cavity present in the skull. There are 4 pairs of sinus hollow cavities in humans, i.e., behind the cheeks, in the forehead, deeply posterior to the ethmoids, and between the eyes. Excessive growth of bacteria, viruses, fungi, or other pathogens in the sinuses can result in sinus infections; it… Continue reading Which is the Best Antibiotic for Sinus Infection?