### symptom | pain:

Headache
* All headaches really are symptoms of muscle tensions, worries, migraine or physical problems.
* Learn about the different types of headaches.
* Many headaches begin during sleep.
* Most headaches are acute, temporary conditions.
* Most headaches are caused by excessive pressure
  - muscle tension headaches, migraines, or head pain with no obvious cause
  - simply a slight pain accompanied by a throbbing sensation
  - stress related
  - the result of unresolved tension in the body, either mental or muscular
  - involve pulsating pains or throbbing
  - occur at ages
  - originate in the muscles of the neck and head
* Most headaches start gradually and have a throbbing or pulsating sensation
  - gradually, building from tension to a pulsing or throbbing sensation
* Some headaches are caused by heat
  - ingestion
  - more than just a headache
* Some headaches associate with acute mountain sickness
  - digestion
  - weak digestion
  - require prescribed drugs to control
  - result from skipped meals or muscle tension and can be taken care of at home
  - signal more serious, life-threatening conditions in the brain
* also are a potential side effect of most medications
  - can be a symptom of certain types of strokes
* are a common occurrence and have a variety of causes
  - problem in children and adults
* are a common symptom of jaw joint problems
  - the flu
* are a major feature of lupus and often precedes diagnosis by many years
  - reason people go for an eye examination
  - signal that something is wrong
  - small portion of the difficulties encountered in treating brain tumors
  - very common health problem
  - actually more often a sign of other eye problems
  - always, well, a pain in the head
  - an early symptom in about one-third of patients
  - another common complaint made by people who suffer from stress
* are common due to stress and excessive heat, as well as automobile exhaust fumes
  - with nausea
  - frequently a spin-off and symptom of dirty blood
  - generally an acute manifestation of another condition
  - just one of the symptoms of bad sleeping habits
  - like the common cold
  - more than simple pain
  - mostly due to muscular tension in the head, neck, or shoulders
  - often simply a toxic body
  - one of the biggest reasons people seek health care
* are one of the most common causes of human misery
  - conditions seen by doctors
  - health problems today
  - human complaints
  - prevalent due to tension and failure to relax
  - quite common in childhood
  - signs indicating that the body is under stress
* are the most common effects from overexposure
  - of all neurological complaints
  - pain problem seen in family practice
  - presenting symptom for patients with brain tumors
  - symptom followed by vomiting
  - result of physical changes
  - seventh most frequent complaint made to physicians
  - usually due to pressure in the brain
* associated with joint and muscle strain are common symptoms associated with bruxism.
* can also be a side effect
  - occur as the brain gets used to burning fat instead of glucose for fuel
  - occur, which can be made worse by vomiting and dehydration
* can be a signal of serious disease
  - the first sign of carbon monoxide poisoning
  - very mild or excruciating
* can occur because of many different problems
  - suddenly, remain from hours to days, and disappear as suddenly as they came
  - often mask more serious underlying health conditions
  - originate in a number of different structures around the head and neck
  - result from glare associated with excessive sunlight
* cause deficits in some neurotransmitters having to do with memory storage.
* caused by diseases are the least common cause of headache
  - eye disease are unique in their symptoms and types of pain
  - sinus disease are so rare that they are the least likely cause of a headache
* come in several varieties, but the most common types are tension and migraine.
* dramatically affect lives.
* have a tendency to run in families
  - wide variety of causes
  - many causes
* increase in frequency and severity, often worse on waking in the morning.
  - from temporary loss of spinal fluid
* occur in a patient who uses immediate-relief medications very frequently
  - the temporal area, back of the head area, or the shoulder area
  - less frequently as people age
* occurs after trauma
  - with exertion, sexual activity, coughing, or sneezing
* often appear centered around the eyes or behind the eyes
  - begin with dim vision
  - come before or immediately after a rage attack
  - precede more serious forms of heat illness
  - recur and can seriously disrupt a person's life
* related to cough, exercise, or sexual activity are similarly of unclear origin.
* remedy vary from herbs, vitamins, to exercise.
* represent another typical symptom of everyday life, and minor illnesses.
* sometimes feel like a nail driven into the side of the head.
* strike women more often than men.
* tends to abate as blood pressure lowers
  - gradually improve after menopause
* typically last a few hours or less and are relieved by ordinary pain medication.
* usually occur on daily basis and are frequently resistant to treatment
  - start during the aura or shortly after the aura stops
* vary in severity and frequency.