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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 57 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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United Kingdom
A female asked:

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

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 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.

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Last updated Sep 30, 2020

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