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    I Have High Blood Pressure. Are Allergy Drugs OK?

    First things first: Always check with your doctor or pharmacist before you start to take any medication -- for allergies, high blood pressure (or “hypertension,” as doctors call it), or anything else. That's true for herbs and supplements, too.

    Antihistamines are the most common medication for allergies. Most of them seem to be safe if you have high blood pressure -- but again, ask to make sure.

    Recommended Related to Allergies

    Fragrance Allergies: A Sensory Assault

    Do any of these scenarios sound familiar? You catch a whiff of a co-worker's new fragrance, and within minutes, you have a whopper of a headache. You pop open that new bottle of dish-washing liquid, and by the time you've washed the pots and pans, your hands and arms are covered in hives. You walk into a friend's home and smell freshly baked pumpkin pie. Only after you start sneezing uncontrollably and feeling dizzy, weak, and sick to your stomach do you learn she hasn't been baking --...

    Read the Fragrance Allergies: A Sensory Assault article > >

    Don't take decongestants unless your doctor tells you otherwise. They may raise your blood pressure. They also keep some high blood pressure drugs from working the way they should.

    Watch out for combination medications for allergies that include decongestant ingredients. That includes allergy drugs as well as many remedies for cold, flu, and sinus problems. Ask your pharmacist to check the ingredients for you.

    WebMD Medical Reference

    Reviewed by David T. Derrer, MD on December 05, 2014

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