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Doctor insights on: How Often Can You Take Zyrtec

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How long can you take zyrtec?

How long can you take zyrtec?

Depends: on the condition, some would take it for years, but if you need it for long, better run it by tour doctor, best wishes ...Read more

Dr. John Chiu
560 doctors shared insights

Cetirizine (Definition)

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


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Is it okay to take 20 mg zyrtec/ daily?

Is it okay to take 20 mg zyrtec/ daily?

Probably: Although the usual dose of zyrtec (cetirizine) for an adult is 10 mg daily, under the direction of a physician, some patients may need more. It would be important to discuss the dosing with your physician as another approach to treatment may be indicated. Avoid drinking alcohol and be aware that drowsiness may be more likely at higher doses. ...Read more

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I accidentally took an expired (18 months ago!) Zyrtec pill. Should I take the correct (unexpired) one nowbad well or should I wait 24 hours?

Wait: Medication can lose it's effectiveness past expiration date, but I would not expect it to not be effective at all; especially if only 18 months expired. It will not be harmful at all that you took an expired zyrtec. It will probably still be almost as effective as it was prior to expiration, so I would just wait and take a new one at your normal time the next day. Hope this helps! ...Read more

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How long can you take zyrtec (cetirizine)?

Zyrtec (cetirizine) use: Zyrtec (cetirizine) can be taken daily indefinitely, there are no long term side effects from accumulated drug. ...Read more

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How much zyrtec (cetirizine) can you take?

How much zyrtec (cetirizine) can you take?

Follow Directions: The directions for taking zyrtec (cetirizine) are on the bottle. One should not exceed these dosing recommendations. ...Read more

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Can i take zyrtec (cetirizine) twice a day?

Can i take zyrtec (cetirizine) twice a day?

Yes: It is safe if you need to take it twice daily. Do note that you may get drowsy from it. ...Read more

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Can i take more than one zyrtec (cetirizine)?

Can i take more than one zyrtec (cetirizine)?

Zyrtec (cetirizine): The recommended dosage is 10mg once a day. More than that is considered an overdose and would not be recommended. ...Read more

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Can you take zyrtec (cetirizine) twice daily?

Most likely: If you are taking zyrtec (cetirizine) once a day and it does not make you significantly sleepy, you will be fine. A number of conditions are treated with zyrtec (cetirizine) or other antihistamines more than once a day and this is widely accepted. ...Read more

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Can i take a half a zyrtec (cetirizine) tablet?

Can i take a half a zyrtec (cetirizine) tablet?

Yes: Many people do well with a half-dose of zyrtec, (cetirizine) and the lower dose will decrease the chances of drowsiness. Zyrtec (cetirizine) is also available in a 5mg children's dose, so you don't have to cut the 10mg tablets in half. ...Read more

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Can I take 2 Zyrtec (cetirizine) at the same time?

Can I take 2 Zyrtec (cetirizine) at the same time?

Yes but why?: You can take 2 Zyrtec (cetirizine) at the same time, but my question to you would be why do you feel the need? If it is for allergic rhinits it may be more helpful to take it once twice a day. If it is for hives/urticaria the dose is sometimes higher. ...Read more

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What can I take with zyrtec (cetirizine) medicine?

What can I take with zyrtec (cetirizine) medicine?

Depends: Zyrtec or Cetirizine is a new generation antihistamine for the treatment of allergic rhinitis and hives. It has very few side effects and drug interactions. I suggest avoiding drinking alcohol while taking zyrtec. If zyrtec is not controlling allergies, the nasal steroid sprays are the most effective treatment. ...Read more

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Can I take zyrtec (cetirizine) with guaiatussin ac?

Can I take zyrtec (cetirizine) with guaiatussin ac?

Yes: Yes it is ok for temporary relieve of cold and allergies. If symptoms persistent and cough does not go away for 1-2 weeks, it is time to see your physician. ...Read more

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What happens if I take 50 mg of zyrtec (cetirizine)?

What happens if I take 50 mg of zyrtec (cetirizine)?

DON'T!: The maximum clinical dose of Zyrtec (cetirizine) is 10mg per day. 50mg is therefore 5X the recommended daily dose! You will most likely be fine if you did, you should call the Poison control # and drink a lot of fluids,..but if you make a habit of it you run the risk of damaging your liver. In a 2 year study of rats that were given higher doses of Zrytec it revealed increased Liver tumors in the those rats! ...Read more

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Can i take 10 mg zyrtec (cetirizine) after 12 hours?

Can i take 10 mg zyrtec (cetirizine) after 12 hours?

Not advised: Zytrtec is fda approved for only once a day dosing. See an allergist for additional symptom relief. ...Read more

Dr. John Chiu
540 doctors shared insights

Zyrtec (Definition)

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