Dystonia is a neurological condition with a very broad range of manifestations. The basic underlying problem involves over-activity of the main muscles needed for a movement, extra activation of other muscles that are not needed for the movement, and simultaneous activation of muscles that work against each other.
Cluster headache is pain that occurs along one side of the head. It's frequently described as pain that occurs around, behind, or above the eye and along the temple in cyclic patterns or clusters. The pain of a cluster headache is very severe.Many patients describe a âdrillingâ type of sensation.luster Headache Symptoms. A headache is a pain in the head with the pain being above the eyes or the ears, behind the head (occipital), or in the back of the upper neck.
About Cluster Headaches. Cluster headache-the most severe form of primary headache-involves sudden, extremely painful headaches that occur in clusters, usually at the same time of the day and night for several weeks.They strike one side of the head, often behind or around one eye, and may be preceded by a migraine-like aura and nausea.luster headaches are characterized by excruciating, piercing pain on one side of the head and eye; they occur more frequently in men than women. PubMed Health Glossary.