Clinically a clear distinction between headache, facial pain, and eye pain is not always apparent, but when present, it helps in the diagnostic approach. In this update we will categorize pain ...

How unilateral headaches feel depends on the type of headache you're experiencing ... The location can also vary, causing ...

Shifts in estrogen levels (the female sex hormone) can cause headaches and trigger migraine attacks, which can lead to eye ...

Headache on the left side may cause generalized aching or pain in a specific place, such as behind the left eye. It may feel throbbing, sharp, or piercing. Most people will experience a headache ...

This condition is called unilateral ptosis when it affects one eye and bilateral ptosis when it affects both eyes. It may come and go or it might be permanent. It can be present at birth ...

Causes of Headache and Third-Order Horner's ... Sudden onset of facial pain radiating to the ipsilateral eye along with Horner's syndrome should alert one to carotid artery dissection.