One unusual type of migraine manifestation is known as the Familial Hemiplegic Migraine – FHM. Its name comes from the way it manifests – mimicking a stroke or an epileptic condition – and it has long lasting aura symptoms.

The aura of a migraine is described by the way this condition announces its future installation. In this unusual type of migraine, the aura brings a dramatic weakness in the patient’s limbs. This is manifested on various degrees: from lacking a simple coordination to paralysis manifestation.

Many features of FHM will lead to the same ones that are expressed into a commonly felt migraine aura although some differences can be outlined. The time of this aura manifestation can last up to 24 hours while the symptoms of a common aura phase can last up to 1 hour when its is ending.

In order for one patient to be diagnosed with FHM, he or she must experience at least a first or second degree relative. Along with these, there should be other conditions eliminated, such as aneurism and strokes, before reaching to the conclusion that one suffers from FHM.

Another unusual type is called Sporadic Hemiplegic Migraine – which is the same with the above condition only that it doesn’t present the first and second degree relatives.

The Basilar Type Migraine – is recognized as manifesting as an acute migraine pain leading to temporary blindness and strong vertigo. These sorts of migraines are experienced mostly by the young adults having its origins in both hemispheres of the brain and/or in the brain stem. The symptoms are mostly the same with FHM, only that motor weakness is not experienced at that amplitude.

When being diagnosed with basilar type migraine, it means that the following criteria have been met by your migraine manifestation:

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• There were at least two times that you have experienced these symptoms.
• There are the following auras presented as symptoms: dizziness, having hard times in speaking, double vision, feeling of a light numbness, or pins and needles felt on both sides of your body.
• The duration of an aura should be more than 5 minutes and/or each of the symptoms lasting from 5 to 6 minutes.
• Headaches that can evolve without the presence of an aura or evolving within 1 hour of the aura ending.

The other unusual type of migraine is retinal migraine which is manifested through frequent attacks of visual disturbance in one eye along with migraine headache.

When reading all these you should ask yourself whether or not you have suffered from the following:

• Where there at least 2 of such attacks?
• Has any of the visual disturbances been confirmed by your doctor?
• Do the symptoms similar to those from above disappear after theattack was experienced?
• Is the migraine without an aura following when you experience the visual disturbance or within 1 hour after they end?