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A member asked:

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

A doctor has provided 1 answer
Dr. John Chiu answered

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.

Answered 9/30/2020

4.9k views

Thank

Related Questions

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My doc prescribed me Zyrtec (cetirizine) 10 drops twice a day. I get drowsy with it. I also have classes on Monday. i find it hard to stay full awake.

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I am 18w pregnant.Taking zyrtec-d daily whole pregnancy.Now i read it's not good.Doc told me it was fine.Is my baby ok?!?

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Is giving a 3 yr old Benadryl (diphenhydramine) and zyrtec in the same day okay? The zyrtec was prescribed to him by his doctor but its not helping much

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A member asked:

Hi...my 3y old son normally gets 5ml of zyrtec (cetirizine) a night on doctor's advice. Today we have 10ml by mistake. Is it ok? Or should we go to the ER? Thanks.

A doctor has provided 1 answer

A member asked:

Could I take Alka-seltzer and Zyrtec-d at the same time? A doctor said yes...but I have diarrhoea and I was wondering if that be why.

2 doctors weighed in across 2 answers

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