What is a Headache ?

Headache disorders, characterized by recurrent headache, are among the most common disorders of the nervous system.Headache disorders, characterized by recurrent headache, are among the most common disorders of the nervous system.

Headaches can be quite debilitating, although most headaches are not caused by life-threatening disorders. Most headaches fall into one of the following categories

  • sudden changes in weather or environment
  • too much or not enough sleep
  • strong odors or fumes
  • emotion
  • stress
  • overexertion
  • loud or sudden noises
  • motion sickness
  • low blood sugar

Prodrome

  • Constipation
  • Mood changes, from depression to euphoria
  • Food cravings
  • Neck stiffness
  • Increased urination
  • Fluid retention
  • Frequent yawning

Primary headache disorders are divided into four main groups:

  • migraine
  • tension-type headache
  • trigeminal autonomic cephalgias (including cluster headache)
  • miscellaneous primary headache