Hemicrania Continua (HC) is a fairly uncommon primary headache disorder (not caused by any other condition) with unrelenting, unilateral head pain that is completely responsive to indomethacin. The symptoms of HC can include, but are not limited to, mild or moderate endless daily head pain, and at least one of the following symptoms:
- runny nose,
- drooping eyelid,
- unusual contraction of the pupil,
- tearing and/or red eyes.
The pain exacerbations of HC can be severe and include photophobia, phonopho...
