A headache also known as “cephalalgia” is a continuous pain in the head or sometimes the neck. Or in other words it can be said as a pain arising from the head or upper neck of the body. It originates from the tissues and structures surrounding the brain.

Classification of headaches

There are three categories of headaches depending upon the source of pain. These are:

  • Primary headaches-caused by a person’s over activity and being over tired.
  • Secondary headaches-they are the symptoms of another conditions triggering a headache.
  • Cranial neuralgias, facial pain and other headaches.

There may be a number of conditions leading to this common complaint. And there are some sensitive pain-structures in several areas of head and neck including, cranium, muscles, nerves, arteries and veins, tissues, eyes, ears, sinuses and mucous membranes that are usually affected.

Causes of headache

The causes of primary and secondary headaches can be classified as:

Primary headache:

These are due to the following life style factors

  • Poor posture
  • Skipped meals
  • Stress
  • Changes in sleep or lack of sleep
  • Certain foods, such as processed meats
  • Alcohol, especially red wine.
Secondary Headache:

Reasons behind secondary headaches include

  • Acute sinusitis
  • Carbon monoxide poisoning
  • Arterial tears
  • Blood clots within the brain
  • Concussion
  • Hangovers
  • Influenza (flu)
  • Overuse of pain medication
  • Panic attacks
  • Meningitis
  • Glaucoma
  • Ear infection
  • Dehydration
  • Dental Problems

Headaches can also be experienced after accidents or injuries especially involving the head, such as

  • Slip and Fall accidents
  • Car accidents
  • Motor vehicle accidents
  • Construction accidents
  • Closed head injuries (post-concussion syndrome etc)