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Frontal sinusitis

sinusitis which involves infection of the frontal sinuses over the eyes in the brow area. This causes pain or pressure in the frontal sinus cavity and headache over the forehead

Pronunciation
/ˈfrəntl ˌsaɪnəˈsaɪdəs/
/ˈfrʌntəl ˌsʌɪnəˈsʌɪtɪs/