Definition of cluster headache in English:

cluster headache

Syllabification: clus·ter head·ache

noun

A type of severe headache that tends to recur over a period of several weeks and in which the pain is usually limited to one side of the head.
More example sentences
  • Because cluster headache is uncommon in primary care, it may go misdiagnosed for years.
  • Another patient who injected herself with sumatriptan subcutaneously for cluster headache had chest pain after the first and second injections (one day apart).
  • The majority of headaches are primary headache disorders, such as migraine, cluster headache, and tension-type headache.

Definition of cluster headache in:

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