U.S. doctors online nowAsk doctors free
Top answers from doctors based on your search:
Disclaimer

How often can you take zyrtec

A male asked:
Dr. Al Hegab
Dr. Al Hegabanswered
Allergy and Immunology 41 years experience
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
A 33-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 34 years experience
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... Read More
Dr. John Chiu
Allergy and Immunology 58 years experience
Yes: Most people can tolerate doubling the dose. In fact , we use even higher doses for those with hives.
A 36-year-old female asked:
Dr. Richard Zimon
Internal Medicine 60 years experience
Yes: you can Hope this is helpful Dr Z
Dr. John Chiu
Allergy and Immunology 58 years experience
Yes: There is no known drug interaction.
Dr. Heidi Fowler
Psychiatry 26 years experience
Yes: Emergency contraceptives can be used safely with zyrtec.
A female asked:
Dr. Carey Check
A Verified Doctoranswered
Family Medicine 17 years experience
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 expire... Read More
A 49-year-old member asked:
Dr. Andrew Murphy
Allergy and Immunology 30 years experience
Follow Directions: The directions for taking zyrtec (cetirizine) are on the bottle. One should not exceed these dosing recommendations.
A 49-year-old member asked:
Dr. Richard Wasserman
Allergy and Immunology 45 years experience
Zyrtec (cetirizine) use: Zyrtec (cetirizine) can be taken daily indefinitely, there are no long term side effects from accumulated drug.
A 46-year-old member asked:
Dr. John Chiu
Allergy and Immunology 58 years experience
Yes: It is safe if you need to take it twice daily. Do note that you may get drowsy from it.
A 37-year-old member asked:
Dr. John Norvell
22 years experience
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 ... Read More
A 59-year-old male asked:
Dr. Gary Steven
Pediatric Allergy and Asthma 31 years experience
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 a... Read More
A 40-year-old member asked:
Dr. Michael Zacharisen
Allergy and Immunology 34 years experience
About 1 hour: Onset of relief with zyrtec (cetirizine) is about 1 hour.
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership