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Wednesday, April 13, 2011 Demeter, Community Member, asks

Q: Can Claritin D raise your blood pessure permanently?

I'm a 46 year old female, 5ft 2inch and 50 lbs overweight. I've had excellent blood pressure all my life until now. I started taking Claritin D for allergies about three or four months ago and I noticed I'd get jittery/hyper for awhile then level out. About a week ago my gyno was concerned about my blood pressure for it's always been normal. I can only guess it's from the Claritin D. However, I stopped taking it once my doc mentioned his concern, but I still get the weird jittery feelings. I can feel my pulse quite easily on my wrist now while before I could hardly find it! Is it possible that Claritin D could raise my blood pressure permanently??

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Answers (1)
4/17/11 12:44pm

Hi Demeter,


Claritin D causes vasocontriction of the blood vessels and may impact blood pressure. I encourage you to make diet and lifestyle changes to promote a lower blood pressure and continue to work with your physician to monitor your blood pressure to ensrue it returns to normal levels.


All the best,

Lisa Nelson RD

7 Natural Ways to Lower Blood Pressure

Demeter, Community Member
4/18/11 8:39am

Hi Lisa, 

I stopped taking the Claritin D and have started to eat healthier and get some daily exercise since the question of my blood pressure arose. I've been monotoring my blood pressure everyday/every hour and have noticed my blood pressure is normal in the morinings then rises in the area of  140s/90s around the same time, 10am, every day, with or without drinking coffee. Then it lowers around the same time every day, 1pm.  I'll be switching to decaf coffee for I noticed my pressure stays highter longer with caffeine.


Thank you for answering my question and for your advice and tips!

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By Demeter, Community Member— Last Modified: 04/18/11, First Published: 04/13/11