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A MyEpilepsyTeam Member asked a question 💭
Bradford West Yorkshire United Kingdom

My wife as always been told her blackouts are triggered by something outside of the brain. The doctors have never found out where it is coming from, but I have noticed that my wife does have low blood pressure just before she gets to start her blackouts. Could this be what is the main cause of her fits?

June 30
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MyEpilepsyTeam

What a caring and observant partner you are for noticing this pattern! The connection between low blood pressure and blackouts is definitely worth exploring with her medical team.

Low blood pressure can reduce blood flow to the brain, which may trigger seizure-like episodes or actual seizures in some people. When the brain Show Full Answer

What a caring and observant partner you are for noticing this pattern! The connection between low blood pressure and blackouts is definitely worth exploring with her medical team.

Low blood pressure can reduce blood flow to the brain, which may trigger seizure-like episodes or actual seizures in some people. When the brain doesn't get enough blood (and therefore oxygen and glucose), it can cause abnormal electrical activity.

It's worth noting that epilepsy has been linked to metabolic factors — meaning anything that disrupts how the brain receives and uses energy, including blood flow issues, can potentially play a role. Since her doctors have suggested the trigger is outside the brain, low blood pressure is absolutely something worth raising with them specifically. Some steps that may help include:

- Keeping a detailed log of her blood pressure readings before and during episodes
- Staying well hydrated, as dehydration can lower blood pressure
- Avoiding sudden position changes (standing up too quickly)
- Discussing medication reviews with her neurologist and GP together

Bringing that blood pressure data to her next appointment could be a real breakthrough in understanding what's happening. Doctors respond well to patterns — and you've spotted one!

June 30
A MyEpilepsyTeam Member

As someone who has had med induced low blood pressure (which has finally been changed after years of research) and blackout from that. And in my case I have a vagus nerve sensitivity upper and lower extremity both caused from severe reflux. So when I blackout or pass out, the position or even a mood change even if unaware along with the low BP I suffered non epileptic seizures. Called psychogenic seizures. And a med called clonidine has lowered the amount of the psychogenic seizures when the blackouts have occured. I keep my med team informed and I hope you do to and find a solution.

June 30
A MyEpilepsyTeam Member

I'm not to sure whether it can cause epilepsy but if someone has low blood pressure then they become very prone to seizures.

June 30

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