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Is There a Link Between Migraines and Epilepsy?

Sep 5, 2018
  • Medical Information
  • Research
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Migraines and Epilepsy: One Step Closer to Finding the Link and Advancing Treatment

With contributions from Jaime.

Until recently, there’s been relatively little medical interest in finding the commonalities and connection between migraines and epileptic seizures. After all, they appear to be two very different physiological events: migraines spread slowly and shut down electrical activity in parts of the brain, while seizures involve a surge in electrical activity that spreads rapidly.

However, some people suffer from both seizures and migraines, and the two types of events come from the same brain cells. This has led some scientists to probe deeper into the connection, and in the last few years, they’ve been able to paint a clearer picture of how the conditions may be connected.

What Is Epilepsy?

Epilepsy is a condition in which sudden increases in electrical activity happening within the brain. This causes what are known as seizures or fits. There are many different types of seizure, including:

  • Jerking or shaking (also known as a tonic-clonic seizures)
  • Staring blankly into space (absence seizures)
  • Loss of muscle tone and collapse (atonic seizures)

Depending on the type of seizure, the sufferer may lose consciousness or they may be aware of what is happening. This is why health organizations recommend wearing medical alert jewelry for epilepsy. Some people also experience a strange smell or taste just before a seizure occurs.

Following an epileptic seizure, the sufferer may feel disorientated, confused or tired and will often need to rest.

Uncovering the Link Between Migraines and Epilepsy

Different teams have worked with different approaches to determine the root of the relationship. Some have focused on basic principles of physics — like conservation of energy — to discover the similarities in nerve cell behavior, while others have isolated a genetic factor in both migraines with aura and seizures.

Regardless of the specific angle, the studies take, recent research has returned some hard facts and distinct patterns:

Stress and Pain Can Lead to Seizures

Physical and psychological stress can have far-reaching effects — that’s no secret. However, it appears that the stress of dealing with migraine pain can even trigger a seizure, suggesting that there’s some degree of crossover between the two conditions in the brain.

People who suffer from epilepsy sometimes experience what are known as pre-ictal headaches before the seizure hits, and post-ictal headaches after the seizure ends. Though these types of headaches aren’t migraines, they may be tied to the same brain stem mechanisms that are responsible for migraine headaches. It seems that head pain plays a role in seizures.

Differentiating Between Migraines and Epilepsy

There are a number of similarities between migraines and epilepsy, and a number of important differences.

Both can be triggered by factors such as stress, tiredness and alcohol, and both cause changes in brain function. Migraines and epilepsy can both cause symptoms such as sensory changes just before an attack, suggesting that the same brain pathway may be involved.

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One of the most important differences between migraines and epilepsy is the duration of an episode. Epileptic seizures come on quickly and normally last just one or two minutes, whereas a migraine comes on more slowly and may last for hours or even days.

Another major difference is that during an epileptic seizure, consciousness may be lost. During a migraine, the sufferer remains conscious throughout, although they may be forced to try and “sleep it off."

If necessary, EEG tests can be used to provide a definite differentiation between migraines and epilepsy and give an accurate diagnosis.

Next Page: More theories on the link between migraines and epilepsy, and the treatment for epilepsy and migraines. 

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Angela Finlay
Angela is a freelance writer and blogger committed to learning, understanding and communicating about the matters that affect daily life. From fitness and lifestyle, pregnancy and medical ailments, she has covered a range of health topics throughout her web writing career, contributing to major websites for over three years. See all of Angela's articles
More Articles by Angela
Jaime Sanders
Jaime is a mom of three teenagers, ages 18, 15 and to one very special needs 14-year-old who has selective mutism. She has been married to my wonderful husband for 18 years. She was diagnosed with migraines at eight years old, living with the disabling illness for 30 years. You can find more of Jaime's writing on her blog, The Migraine Diva. See all of Jaime's articles
More Articles by Jaime
Resources
  • Penn State (Link seen between seizures and migraines in the brain)
  • Neurology Advisor (Epilepsy and Migraine: A Common Ground?)
  • NCBI (Migraine triggered seizures and epilepsy triggered headache and migraine attacks: a need for re-assessment)
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