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How come high blood pressure medicine tell you to stay out of the sun?

1 doctor weighed in
Dr. James Cain
Internal Medicine - Nephrology & Dialysis

In brief: Photosensitivity

Some hypertensive medictions can cause a reaction with sunlight leading to a burn like rash.
This is more common with hctz (hydrochlorothiazide) and furosemide. Some of the calcium channel blockers have been implicated. Sun block helps. It is impractical to avoid the sun altogether as so many of the population have high blood pressure.

In brief: Photosensitivity

Some hypertensive medictions can cause a reaction with sunlight leading to a burn like rash.
This is more common with hctz (hydrochlorothiazide) and furosemide. Some of the calcium channel blockers have been implicated. Sun block helps. It is impractical to avoid the sun altogether as so many of the population have high blood pressure.
Dr. James Cain
Dr. James Cain
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