<prompt> Office headache is due to inflammation of which sinus?FrontalMaxillaryEthmoidalSphenoid  <response>: Office Headache: Headache on sunrise relief at sunset is seen in Frontal sinusitis Typical SITE OF TENDERNESS Maxillary Cheek Alveolus Frontal Below eyebrow Office headache Ethmoid Medial canthus of eye Sphenoid Veex 