Hello. I am a 42 year old woman that suffers from high blood pressure. At this moment is under control. I am taking Norvasc and this medication finally has it under control. I have to take an antihistamine next Thursday for a procedure to avoid swelling and I would like to know if Benadryl increases the blood pressure. Thanks.
It can increase blood pressure especially over an extended use. However, I don't believe that it should be a problem for a one time procedure. BUT, you should call your dr that prescribed the bp med first to be safe. Best wishes to you.
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