Less than 20% of cluster headache patients have the chronic form. Chronic cluster headache patients suffer without remissions for 1 year or more or with remissions so brief they do not even span a month.
These attacks (cluster periods) last for weeks or months and are separated by months or years of remission periods where the patients are pain-free.
#Pinpoint synonym series#
Episodic cluster headache patients usually suffer from 1 to 4 short headaches a day that can individually last between 15-120 minutes when they are having a series of attacks. CH attacks also include one or more cranial autonomic symptoms (CAS) on the same side of the head as the pain (ipsilaterally) such as red eye (conjunctival injection), eyelid swelling (edema), forehead and facial sweating, tearing (lacrimation), abnormally small size of the pupil (miosis), nasal congestion, runny nose (rhinorrhea), and drooping eyelid (ptosis).
The age of onset of CH is most often between 20 and 40, and they are more common in men than women with a ratio of 2:1. The pain has been described as searing, burning and stabbing. CH are the most painful form of headaches, with the pain occurring on one side of the head and behind or above the eye or at the temple most commonly. 5 Myths About Orphan Drugs and the Orphan Drug ActĬluster headaches (CH) are an uncommon, severe form of primary neurovascular headaches.Information on Clinical Trials and Research Studies.
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