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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes dizziness while on treatment for hypertension?

I m 56 years old and I have high blood pressure. I also take medication for it. The other day I was driving my car and had an episode that I have never experienced before. The feeling of extreme dizziness came on suddenly. I was not able to drive so I pulled over. It lasted about 10-15 seconds and then was over. I have had bouts of vertigo but this was nothing like that. After the episode I had no problems at all. Felt fine but very shook up. I did go to ER and later released. Needed to rule out stroke or heart attack. I am going to follow up with cardiologist. Do you have any idea what I was experiencing?
Thu, 14 Nov 2019
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Addiction Medicine Specialist 's  Response

Cannot say in your particular case, but generally, dizziness has to be broken into two groups---feeling like fainting and all blood pressure medicines commonly cause this and room spinning/vertigo.

Diuretics often cause both, but other blood pressure medicines only cause the low blood pressure/fainting.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Dr Matt Wachsman, Addiction Medicine Specialist
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