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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.
CAUSES OF SINUS PRESSURE AND PAIN. As described on the Congestion page, swollen nasal passages and the build-up of mucus cause congestion. Swollen and inflamed tissues can also cause pressure on nerve endings around your sinuses. This leads to dull or throbbing pain and aches. causes forehead pain, headaches.