Sinus Infection Symptoms: How to Recognise Sinusitis Sinus infection symptoms can include nasal congestion, facial pressure, headache, and thick nasal discharge. Sinusitis occurs when the lining of the sinuses becomes inflamed, often after a cold or another respiratory infection. Most short-term cases are caused by viruses, although some cases may involve bacterial infection.
Recognising the pattern and duration of symptoms can help people...
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