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What are the signs and symptoms of sinus infection?
Commonly the symptoms of sinus infection are headache, facial tenderness, pressure or pain, and fever. However, as few as 25% of patients may have fever associated with acute sinus infection. Other common symptoms include:
cloudy, discolored nasal drainage,
a feeling of nasal stuffiness,
sore throat, and
Some people notice an increased sensitivity or headache when they lean forward because of the additional pressure placed on the sinuses. Others may experience tooth or ear pain, fatigue, or bad breath. In noninfectious sinusitis, other associated allergy symptoms of itching eyes and sneezing may be common, but may include some of the symptoms listed above for infectious sinusitis. Nasal drainage is usually clear or whitish-colored in people with noninfectious sinusitis.
With rare fulminant fungal infections, there may be ulceration, with sharply defined edges and a black, necrotic center in the nasal area. Some fungal infections cause a dark, black-appearing exudates. This requires immediate medical evaluation.