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A member asked:

I just took ketotifen and benadryl together. wasn't thinking. is that ok? i have mast cell activation syndrome from lyme disease? and my heart is always erratic: the irregular heart beat is thought to be from histamine intolerance?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

It should not be a problem. Both have anti-histamine action.

Answered 9/15/2021

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