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Can High Blood Pressure Cause A Seizure?

Is it possible for high blood pressure to cause a seizure? Many of the recent studies looked at different aspects that affect the seizures. Researchers are also looking into the effects the seizure creates on cardiac and respiratory functions. They have found out that in several or many of the cases, there is a high chance of potential danger for the individual suffering from a seizure.

With the assistance of media monitoring and EEG, it was possible for researchers to discover the both of tonic-clonic and focal seizures had the ability to lead to breathing problems. Additionally, it is also possible to bring down the reflexes and create instability of cardiac muscles.

Can High Blood Pressure Cause A Seizure?

Can High Blood Pressure Cause A Seizure?

At present, not much information is available about the relationship between high blood pressure and seizure. It is unclear for neurologists whether blood pressure is capable of producing a seizure or the individuals suppose blood pressure as an after effect from a seizure. Nonetheless, research is continuing to establish a correlation between high blood pressure and seizure. With the help of technology and non-invasive measures, clinicians can now determine the blood pressure during the occurrence of a seizure attack.

Revelations by Studies

A case in 2013, a patient suffering from refractory epilepsy was undergoing video EEG along with continuous monitoring of blood pressure using the non-invasive method. During the process of video EEG, the patient displayed generalized tonic-clonic seizure. During this period, the doctors found out the there was a drastic drop in the blood pressure, and the entire episode lasted for about a minute.

In another case carried out in the year 2016 that included 37 patients, the researchers discovered that there was a rise in the blood pressure along with heart rate, which had displayed focal seizures. For patients who underwent generalized tonic-clonic seizure, there was a disconnection between the blood pressure and the heart rate.

Although the heart rate remained at an elevated pace, there was a drop in the blood pressure. Researchers believe that occurrence of such a situation will decrease the supply of oxygen to the brain, posing a grave danger to the patient.

Further Studies

It is crucial to determine whether a high blood pressure can be a cause for a seizure. More studies are of immense importance in this area to understand the action of change in blood pressure and its impact on abnormal functionality in the brain. Apart from this, researchers also would like to get a better idea about generalized seizures that are causing problems to breathing, heart, and the brain. The more the research in this area, the better the treatment that will come up making it easy to find a suitable cure and prevent the attack of a seizure caused due to blood pressure.

In the same study, it is also necessary for scientists to understand whether the blood pressure itself is causing the problem or any other underlying problems are triggering the factors. They will have to carry out the test on people including those with a history of epilepsy and without the history of epilepsy. It will help them provide the crucial output and establish a healthy relationship between high blood pressure and seizure attack.

Only when a neurologist is able to predict the outcome or show evidence that high blood pressure causes a seizure, it is possible to look into the issue and offer the treatment that helps in reducing the abnormal activity produced in the brain. If the occurrence is non-epilepticus, then it is possible to suppress the seizure attack using drugs for a specific period.


  1. Semple BD, Bye N, Rancan M, Ziebell JM, Morganti-Kossmann MC. Role of CCL2 (MCP-1) in traumatic brain injury (TBI): evidence from severe TBI patients and CCL2-/- mice. J Cereb Blood Flow Metab. 2010 Feb;30(2):769-82. doi: 10.1038/jcbfm.2009.366. Epub 2009 Dec 2. PMID: 19953080; PMCID: PMC2949272.
  2. Gaspard N, Foreman B, Judd LM, Brenton JN, Nathan BR, McCoy BM, Arroliga AC, Markert MS, Kilbride RD, Fernández A, Wijdicks EFM, Rabinstein AA, Hirsch LJ. Intracerebral Hemorrhage Occurs More Frequently Than Intracranial Hemorrhage After Traumatic Brain Injury. Neurocrit Care. 2021 Aug;35(1):173-178. doi: 10.1007/s12028-020-01144-6. Epub 2020 Mar 4. PMID: 32130658; PMCID: PMC7550580.
  3. Fisher RS, Acevedo C, Arzimanoglou A, Bogacz A, Cross JH, Elger CE, Engel J Jr, Forsgren L, French JA, Glynn M, Hesdorffer DC, Lee BI, Mathern GW, Moshé SL, Perucca E, Scheffer IE, Tomson T, Watanabe M, Wiebe S. ILAE official report: a practical clinical definition of epilepsy. Epilepsia. 2014 Apr;55(4):475-82. doi: 10.1111/epi.12550. Epub 2014 Mar 17. PMID: 24730690.
  4. Kanner AM. Depression in epilepsy: a common but often unrecognized comorbid malady. Epilepsy Behav. 2003 Aug;4 Suppl 3:S11-20. doi: 10.1016/s1525-5050(03)00091-3. PMID: 14591818.

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Team PainAssist
Written, Edited or Reviewed By: Team PainAssist, Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:August 7, 2023

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