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A 26-year-old member asked:

Are there any long term effects to taking zyrtec (cetirizine) everyday?

2 doctor answers2 doctors weighed in
Dr. David Finke
Obstetrics and Gynecology 15 years experience
No, but rarely yes.: Zyrtec (cetirizine) is pretty well-tolerated and now is over the counter. You should check with your doctor if you have known liver disease or experience difficulty breathing, seizures, or low blood pressures.
Dr. Michael Zacharisen
Allergy and Immunology 33 years experience
Not likely: Zyrtec (cetirizine) is a new generation antihistamine approved for use in children and adults for the treatment of allergic rhinitis and hives. Zyrtec (cetirizine) is safe for long term use. A good question to ask is why is it needed everyday. Consider seeing an allergist to assist in identification of the allergic trigger and with avoidance, a person may require less medication.

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A 39-year-old member asked:

Does anyone know the long term effects of zyrtec (cetirizine)?

1 doctor answer1 doctor weighed in
Dr. Barbara Stark Baxter
Allergy and Immunology 42 years experience
Zyrtec (cetirizine) effects: Antihistamines in general are some of the safest medications to use long-term.That said, one should never use a medication longer than necessary, and it is wise to switch products periodically no matter what the medication class, in case you are having side effects but don't realize it.I have seen occasional patients develop what seem to be "rebound hives" after long-term use of antihistamines.

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Last updated Feb 7, 2020

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