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Can Zyrtec Cause High Blood Pressure?

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Posted on Wed, 28 Jun 2017
Question: I am right now on Zyrtec it makes my blood pressure go skyhigh. Is there another allergy medicine with antihistamine that will not do that?
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Answered by Dr. Panagiotis Zografakis (18 minutes later)
Brief Answer:
this side effect is shared by all antihistamines

Detailed Answer:
Hello,

although rare, hypertension is one of the potential side effects of antihistamines. It may occur with any antihistamine. Note that hypotension is also possible. I can't predict whether another antihistamine will work better for you but it is a fact that hypertension may occur with any of them.
Make sure that the formulation you use does not contain a decongestant too because decongestants cause hypertension more frequently than antihistamines. For example Zyrtec D-12hours contains pseudoephedrine and an antihistamine. Pseudoephedrine may cause palpitations, a fast heart rate, hypertension, etc.

I hope you find my comments helpful!
Kind Regards!
Note: For more detailed guidance, please consult an Internal Medicine Specialist, with your latest reports. Click here..
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3809 Questions

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Can Zyrtec Cause High Blood Pressure?

Brief Answer: this side effect is shared by all antihistamines Detailed Answer: Hello, although rare, hypertension is one of the potential side effects of antihistamines. It may occur with any antihistamine. Note that hypotension is also possible. I can't predict whether another antihistamine will work better for you but it is a fact that hypertension may occur with any of them. Make sure that the formulation you use does not contain a decongestant too because decongestants cause hypertension more frequently than antihistamines. For example Zyrtec D-12hours contains pseudoephedrine and an antihistamine. Pseudoephedrine may cause palpitations, a fast heart rate, hypertension, etc. I hope you find my comments helpful! Kind Regards!