Info on light migraine aura trigger

light migraine aura trigger

The Mechanism of Migraine

What is taking place physiologically when a migraine headache takes place? It appears the start of a migraine headache is in the brain stem. The brain stem is a bit above the spinal cord, but beneath the cortex of the brain. The migraine “control center” in the brain stem emits signals to the blood vessels lining the brain, requesting these blood vessels to dilate and expand. In the process, pain signals are sent back to the “control center”.

Migraine Triggers


Certain environmental triggers seem to initiate a migraine attack. These triggers include some foods, stressful lifestyles, and exposure to bright lights or loud sounds. Commonly, a few foods such as red wine, cheese, chocolate, meats cured with nitrates, and MSG can induce migraine headaches. Additional triggers include anger and/or stress, not enough sleep, menstruation, and weather changes. Withdrawal from caffeine and ergotamines can also cause migraine headaches. The rationale why foods like cheese, chocolates and alcohols can lead to migraines is the presence of amines that act on the vascular system by triggering venal constriction through release of catecholamines.

Migraine Treatments


There is a broad range of treatments for migraines. They vary from medications such as the triptans (sumatriptan, zolmitriptan, naratriptan, rizatriptan, almotriptan, frovatriptan) to consuming healthful foodstuffs, to avoiding some stressful lifestyles to relaxation approaches. Migraine headache intensity varies from one individual to the next, and no clear cut remedy presently exists.


Specific prescription medications might ease the symptoms of migraines. These include Imitrex, Maxalt, Zomig, Relpax, Midrin, and Migranal. They exert their action by causing cerebral vasoconstriction.


Certain herbal remedies have been utilized. These include feverfew, chamomile, valerian, white willow and skullcap. These following supplements also may help individuals suffering from migraines:

  • Coenzyme Q10
  • Magnesium
  • Multivitamins/multi-minerals
  • Vitamin B12
  • Vitamin B2

Lastly, some other remedies include extra magnesium in one's diet, regular physical exercise, and relaxation techniques like yoga or transcendental meditation. Recently, a new form of migraine treatment called Transcutaneous Electrical Nerve Stimulation (TENS) has been developed. TENS sends a mild shock of electricity, precluding the body from receiving migraine pain signals.

Migraine Symptoms


The ensuing is an incomplete listing of migraine symptoms:

  • Auras (light spots)
  • Nausea
  • Vomiting
  • Sensitivity to light and sound
  • Serious pain in the head
  • Numbness
  • Difficulty in speaking
  • Throbbing or pulsing headache (generally unilateral)

Migraine attacks frequently recur, and the symptoms will differ from person to person.


Migraine Contrasted with other Headaches


What is the difference between a migraine and a regular headache? Migraine headaches are for the most part one-sided, with concomitant nausea, reduction of appetite and vomiting. Frequently, light sensitivity accompanies the migraine headache. Contrast this with the common tension headache, which is distributed over the entire head. Furthermore, the common headache isn't as severe as a migraine headache. Migraine is better described as a throbbing headache, whereas a tension headache only has a dull, constant ache.

Several Types of Migraines


There are regular migraines and classic migraines. Classic migraines begin with a “aura” that involves changes in visual perception. The auras go on about 10-30 minutes and are associated with flashing lights and/or colors, and perhaps a temporary reduction of vision. You might feel a burning or strange prickly feeling, and possibly feel irritable and restless.

A common migraine doesn't involve an aura. A common migraine starts more slowly than a classic migraine and the pain may merely be unilateral. But then, a common migraine lasts longer than a classic one, and may interfere more extensively with your typical activities.


Alternative Treatmnents

A few alternative treatments have proven effective. These include chiropractic manipulation, acupuncture and biofeedback therapy. Magnetic therapy moreover has been utilized with success. Magnetic therapy initiates increased electrical activity in the brain. This raises neural conductivity which then stimulates in the brain the secretion of the hormones serotonin and melatonin. Serotonin controls moods and depression tendencies. Magnetic therapy treatment generally involves either:


  • A magnetic pillow pad
  • A magnetic head band
  • A magnetic eye mask

A natural treatment technique includes utilizing an ice pack on the back of the neck around the base of the skull. This reduces the flow of blood to the head, resulting in diminished pressure in the head. Make sure there is a barrier between the ice pack and the skin, like a wet cloth.


Migraine Complications

Many symptoms of migraines disappear after a few days. If migraines are left untreated, however, they may induce strokes, aneurysms, permanent vision loss, and even comas.


If you have an interest in migraine headaches, you may also want to look into butterbur and migraines or in addition short term memory loss due to migraines.

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