Maxillary sinusitis
Maxillary sinusitis Maxillary sinusitis, also known as maxillary sinus infection, is a condition where the mucosal lining of the maxillary sinuses becomes inflamed, usually due to infection. This condition is commonly referred to as acute or chronic sinusitis, depending on the duration of the symptoms. Here is a detailed explanation of the various aspects of maxillary sinusitis: 1. Cause and Etiology Maxillary sinusitis can be caused by a variety of factors, with the most common being infections, although non-infectious causes can also contribute. The key factors are: Infectious Causes: Viral infections: The majority of cases are caused by viral infections, typically following a common cold or upper respiratory infection (URI). Viruses such as rhinovirus, influenza, and parainfluenza are common culprits. Bacterial infections: Secondary bacterial infection occurs when a viral infection leads to impaired drainage or blockage of the sinus ostium. Bacteria like Streptococ...