Migraines
Know about Migraine Symptoms
Some people are not noticing that they have migraine. Some are experiencing throbbing headache but really don’t know that it is a migraine. Well, it is said that only about 15%-20% of migraine sufferers experience the classic auras – the visual, auditory, or olfactory perceptions or other neurological symptoms known to occur 15 to 30 minutes prior to an attack. There are different migraine symptoms which are best to discuss so you know how to get rid of it or find an instant relief when you are about to experience migraine.
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Migraine Criteria
The Classification Subcommittee of the International Headache Society (IHS) publishes and revises the “International Classification of Headache Disorders”, now in its second edition. This book offers specific diagnostic criteria for diagnosing migraines and is currently used worldwide.
According to IHS, a common migraine headache, also known as a migraine without aura, is defined by the specific criteria found below.
Frequency
The patient must have at least five of these headaches.
Duration
The headache, excluding attendant symptoms or prodromes, must last a minimum of four hours, up to seventy-two hours. Headaches that last over seventy-two hours generally require immediate medical attention in order to rule out other, more dangerous conditions.
Pain Descriptors
In order to be classed as a migraine a headache must include at least two of four different qualities of pain:
1) The pain is one-sided; the headache is primarily on one side of the head.
2) The pain is not constant; it throbs, pounds, or pulsates.
3) The pain must be of moderate or severe intensity, to the point where the sufferer is inhibited in daily activity, potentially to the point of being temporarily disabled.
4) The pain is increased, sometimes only slightly, by routine physical activity like bending over, climbing stairs, or moving quickly.
Side Effects
Headache pain must be accompanied at least one of four common side effects:
1) Nausea
2) Vomiting
3) Photophobia – sensitivity to light
4) Phonophobia – sensitivity to sound
Secondary Exclusions
Appropriate medical testing, such as a MRI or CAT scan, and/or a physician’s exam must be conducted to rule out other conditions that may have caused the headache.
These criteria have helped simplify the diagnosis of migraine for many. However, because migraines are historically associated with extremely high levels of pain, people suffering from moderate migraine may not realize that is what they are experiencing.
Migraine Auras
A migraine aura is a specific type of prodrome, or premonition, that heralds a migraine. It is a symptom or series of symptoms that let migraineurs, people who suffer from chronic migraines, know in advance that a migraine headache is about to make itself felt.
Aura effects develop over about five minutes and generally occur from twenty minutes to an hour prior to the start of a headache. They are a symptom of what used to be called “classic migraine”. Recently, medical practitioners have moved to a more scientifically accurate term, migraine-with-aura. Only about 15-20% of migraineurs consistently experience any kind of aura before a headache begins.
Aura Effects
Most migraine auras are visual. These auras are called positive visual phenomena because, rather than their vision fading or going dark, people who experience them see things. Examples include:
-Auras or Haloes: a nimbus of light or haze surrounding objects, particularly light sources
-Flashing or Floating Lights: colored or white (rarely dark) spots that appear to move
-Lightning Bolts: a jagged or zigzag line that sparkles and/or arcs over the field of vision; with the frequency or severity increasing over time until the person can no longer see (a whiteout); This effect usually stops with the onset of headache pain.
-Photophobia: an extreme sensitivity to light; this effect frequently lasts the duration of the headache
Most auras last less than an hour. Migraineurs who experience auras that last more than an hour are said to suffer from migraines with prolonged aura. In some cases a migraineur may experience aura effects without a headache developing, but it is still considered to be a symptom of chronic migraines. At various times the same person may experience all three variations, migraine with aura, migraine with prolonged aura, or typical aura without headache.