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Doctor insights on: Zyrtec Drug Interactions

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Is there drug interaction between topomax and zyrtec (cetirizine)? Both say take at night

Is there drug interaction between topomax and zyrtec (cetirizine)? Both say take at night

No interaction: Those 2 meds are safe to take together. They both have a slight chance of causing drowsiness, hence the advice to take both at night. Good luck! ...Read more

Dr. Janice Alexander
1 doctor shared a insight

Drug Interaction (Definition)

When the combination of two agents cause an effect, intended or unintended, that would not have otherwise ...Read more


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M58, may I take zyrtec (cetirizine) 1 tab with Norvasc 5mg for long time. Any drug interaction?

M58, may I take zyrtec (cetirizine) 1 tab with Norvasc 5mg for long time. Any drug interaction?

Yes: No problem, there are no known interactions. (also, I personally have been taking Zyrtec (cetirizine) for at least 10 years and prior to that, some kind of anti-histamine for 40 years - without harm). ...Read more

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Interaction between warfarin and zyrtec (cetirizine) ?

Interaction between warfarin and zyrtec (cetirizine) ?

Not really: Zyrtec (cetirizine) is only minimally metabolized in the liver so no interaction with warfarin. I suggest avoiding Zyrtec (cetirizine) D formulation. Simple Zyrtec (cetirizine) is fine ...Read more

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What drug can I give my 4 month daughter and cough? I have piriton, zyrtec (cetirizine) and allerief in the house. She weighs 7kg. Give dosage too

What drug can I give my 4 month daughter and cough? I have piriton, zyrtec (cetirizine) and allerief in the house. She weighs 7kg. Give dosage too

See doctor: It is not recommended to give infants and young children cough medicine as the cough is typically protective and the medications can be harmful. If the cough appears to be related to a cold and no difficulties breathing it should start to resolve in 7-10 days. If not getting better or not related to a cold she should be evaluated by her physician. ...Read more

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I have heavy seasonal allergies. What is a good combination of drugs to take? Im on zyrtec (cetirizine) and zetonna and they are helping, but it is still bad.

I have heavy seasonal allergies. What is a good combination of drugs to take? Im on zyrtec (cetirizine) and zetonna and they are helping, but it is still bad.

Immunotherapy: Allergy shots will work much sooner than that. We hope we achieve a "cure" in 3-5 years but symptomatic relief should begin within a few months. We do not start grass allergy patients on shots during the grass season at our practice. ...Read more

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I read on the internet that it is often more effective to alternate days taking zyrtec and allegra, (fexofenadine) than just one drug alone. Is that true? -allergies

I read on the internet that it is often more effective to alternate days taking zyrtec and allegra, (fexofenadine) than just one drug alone. Is that true? -allergies

Maybe, but...: I have not heard of anyone benefiting from alternating days. More like alternating weeks or months on the meds. Wouldn't hurt to try, i guess. ...Read more

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Dr. John Chiu
542 doctors shared insights

Cetirizine (Definition)

Ceftirizine is the generic name of an antihistamine previously marketed under the ...Read more


Dr. John Chiu
522 doctors shared insights

Zyrtec (Definition)

Zyrtec is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more