A severe headache behind the left eye may result from serious conditions, such as a brain aneurysm, that require emergency medical care. Other conditions, including sinus pressure, migraine ...

Sinus infections (infections to the passages behind the nose, below the eyes, and above the ... causes intense eye pain and a ...

For many people, sinus pain is not necessarily the picture of migraine that they have in their mind's eye, she says, but migraine attacks do frequently cause sinus pressure and pain. Patients ...