Doctor insights on:
How Long Can I Take Zyrtec
Is it safe to take zyrtec (cetirizine) most days of the year or is there a chance for long term problems with taking it too much? I try to avoid taking medicines.
Zyrtec (cetirizine) : Zyrtec is a safe anti-histamine with a relatively good tract record in long term users. But note that all medications have side effects. However, some are willing to take a small and smart risk for a better quality of life. Discuss nasal antihistamines & other non-systemic treatments with your doctor. With immunotherapy, an immunologist may be able to help avert your need for medications. ...Read more
I took Zyrtec last night to help w/itch &redness of poison ivy, but haven't seen much difference. Should I have by now or does it usually take longer?
I have bad allerigies sometimes. Cetirizine stopped working so i take zyrtec (cetirizine) d. I heard u cnt take decongestants too long. Wat are longterm treatments?
If i take zertec for a long period 10mo then switch to Claritin (loratadine) can my sinuses become dependent on zyrtec and over produce mucus w/o zyrtec in system?
Unlikely: While the "good" effect of zyrtec (cetirizine) will be gone in several days, there is no known problem of "rebound" or worsening symptoms when stopping oral antihistamines. More likely, is the continued exposure to the allergens. Here is where an allergist will be able to assist. ...Read more
I'm a breastfeeding mom and have a head cold. My son takes formula as well. Wanting to take zyrtec (cetirizine) d or dayquil. How long should I wait to nurse again?
Nursing: Okay to nurse while taking most over the counter medicines. ...Read more
EKG showed QT/QTc of 408/462. Is this number too high? I take Prozac and Zyrtec daily. Could that cause a prolonged qt and is it safe to take?
It's OK: Rule of Thumb is in general we consider QTc of 480+ as something to look at, and even some might consider more than 500 as significant ...Read more
Fluid in middle ear, doc gave antivert, zyrtec, nasacort, (triamcinolone) how long take to dry up fluid in ear? Repeat bouts, can you stop it from happening again?
Keep nose open: Fluid in the middle ears is usually from obstruction of the eustachean tube opening. If you have had repeated bouts , it may be worthwhile for you to consult an allergist to find out why. ...Read more
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
Hope this is helpful
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
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
Yes: Even up to 4 times a day is fine. ...Read more
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