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1 Ethmoid Sinus Cavities â are located in-between the eyes. 2  An infection in these sinus cavities can cause pain in-between the eyes. 3  This pain can extend to the forehead and cause headaches. 4  Frontal Sinus Cavities â are found above the eye and eye bone.
Sinusitis occurs when your sinuses become inflamed, sometimes after you come down with a virus or bacterial infection. You might have sinusitis if you develop a fever, cough, nasal congestion, or postnasal drip at the same time. Sometimes sinusitis can make your head hurt, or make your sinuses feel sore.