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Sinusitis (or rhinosinusitis) is defined as an inflammation of the mucous membrane that lines the paranasal sinuses and is classified chronologically into several categories: [63] Acute sinusitis – A new infection that may last up to four weeks and can be subdivided symptomatically into severe and nonsevere. Some use definitions up to 12 weeks.
A sinus infection typically starts out with a viral infection (RSV or rhinovirus, for example), which can cause sneezing, coughing, a runny nose, aches, and a fever, says Goudy.
Nasal irrigation can be an effective therapy to relieve symptoms of acute sinusitis caused by upper respiratory tract infections such as the common cold. [1] The evidence for effectiveness in relieving chronic sinusitis is weak. [2] It can also be useful for the temporary relief of the symptoms associated with allergic rhinitis. [3]
Acute sinusitis lasts a maximum of 12 weeks. The clinical symptoms of acute rhinosinusitis are purulent nasal secretion, nasal obstruction and/or tension headache or feeling of fullness in the facial area. Acute rhinosinusitis can be caused by a viral or bacterial infection – a distinction is not possible during the first days.
As the leaves change colors and a blanket of cold sets in across much of the country, clogged sinuses also become a new normal — but they don't have to be.
A sinus infection can have a number of causes. Untreated allergies are one of the main contributing factors to the development of sinus infections. A person with a sinus infection often has nasal congestion with thick nasal secretions, fever, and cough (WebMD).