Upper Respiratory Tract Infections (URTI) An infectious process affecting the upper respiratory tract (nose, paranasal sinuses, pharynx, larynx, or trachea). Symptoms include…
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paranasal sinuses
paranasal sinuses
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Sinusitis (Rhinosinusitis) Sinusitis, also known as rhinosinusitis, is inflammation of the paranasal sinuses. It can be due to infection, allergy, or autoimmune…