Migraine is characterized by recurrent attacks of headache and combinations of neurologic, gastrointestinal, and autonomic changes. Unilateral cranial autonomic symptoms (UAs) are features of cluster ...

January 14, 2011 — Red ear syndrome (RES) in children is a highly specific sign for migraine, according to the results of a study reported online December 1 in Cephalalgia. "[W]e were the first to ...

Cluster headache disorders constitute some of the most excruciating primary headache syndromes encountered in clinical practice. These conditions are typified by recurrent, strictly unilateral attacks ...

The pathophysiology of cluster headaches is complex and seems to involve the hypothalamus (the biological clock). One view suggests cluster headache’s pathophysiology entails the hypothalamic ...

The exact causes of cluster headaches are unknown. However, it is believed to originate from hypothalamus. Cluster headaches take place when a nerve pathway, called as trigeminal-autonomic reflex ...

Trigeminal autonomic cephalalgias (TACs) are a group of headache disorders characterized, as the name suggests, by autonomic symptoms that accompany the headache. These symptoms commonly include ...

Reflexes are automatic and involuntary actions the body produces in response to certain stimuli. While some reflexes can involve muscles and movement, others involve internal processes within the body ...

Ten patients had varying degrees of sensory disturbance confined to the fifth cranial nerve. The second and third divisions were most commonly affected, but motor paresis and pain were notably absent, ...