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A 34-year-old member asked:

Doctors, how much zyrtec (cetirizine hydrochloride) is a lethal dose?

1 doctor answer1 doctor weighed in
Dr. John Chiu
Allergy and Immunology 58 years experience
Uncertain: I am unaware of any study on human re. The lethal dose but have heard of people taking up to 8 tablets a day without serious side effects.
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Similar questions

United Kingdom
A female asked:

How much zyrtec (cetirizine hydrochloride) is a lethal dose?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 50 years experience
Why do you ask?: If you are trying to kill yourself, it is a sign of mental illness that can be treated. You ought to contact your doctor or go to the emergency room of the nearest hospital.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Sep 30, 2020

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