A member asked:

My dad on bp meds, has had normal reading. last wk, had diarrhea episode. i noticed his bp reading is now quite low at 90/70. could diarhea be cause?

A doctor has provided 1 answer
Dr. Ira Friedlander answered

Specializes in Cardiac Electrophysiology

Blood pressure is: usually dependent on fluid volume status. Diarrhea causes you to lose fluid (become dehydrated.) The diarrhea has contributed to fluid volume loss and therefore the BP is lower.

Answered 3/28/2017

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