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Doctor insights on: Are There Any Long Term Effects To Taking Zyrtec Everyday

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Are there any long term effects to taking zyrtec (cetirizine) everyday?

Are there any long term effects to taking zyrtec (cetirizine) everyday?

No, but rarely yes.: Zyrtec (cetirizine) is pretty well-tolerated and now is over the counter. You should check with your doctor if you have known liver disease or experience difficulty breathing, seizures, or low blood pressures. ...Read more

Dr. John Chiu
575 doctors shared insights

Cetirizine (Definition)

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


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Does anyone know the long term effects of zyrtec (cetirizine)?

Does anyone know the long term effects of zyrtec (cetirizine)?

Zyrtec (cetirizine) effects: Antihistamines in general are some of the safest medications to use long-term.That said, one should never use a medication longer than necessary, and it is wise to switch products periodically no matter what the medication class, in case you are having side effects but don't realize it.I have seen occasional patients develop what seem to be "rebound hives" after long-term use of antihistamines. ...Read more

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What are the long term effects of being on nasonex (mometasone) and allergy meds (switch between different ones... Zyrtec, allegra, claratin) it's been many years?

What are the long term effects of being on nasonex (mometasone) and allergy meds (switch between different ones... Zyrtec, allegra, claratin) it's been many years?

Not to worry : There are no significant reported long term adverse effects of nasal steroids in studies. Direct , local effects are more common like irritation in the nose, crustiness, nosebleeds. You just take a short break from the rx for these. There are no major reported concerns about long term use of antihistamines.- zyrtec, claritin, allegra, etc. ...Read more

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Are there any side effects to taking Zyrtec, (cetirizine) lysozyme, kaloba long term in children 2-4 years old?

Are there any side effects to taking Zyrtec, (cetirizine) lysozyme, kaloba long term in children 2-4 years old?

Yes: There are side effects or potential side effects to all medications, supplements, vitamins, therapies, and life in general. A decision to use or not use any treatment is always a risk vs benefit analysis. You should discuss this with your children's doctor. ...Read more

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Long term side effects of effects of anti allergics (zyrtec)?

Long term side effects of effects of anti allergics (zyrtec)?

None: There have been no reported long-term side effects from use of zyrtec (cetirizine) in a trial involving toddlers and children with eczema, who were treated with zyrtec (cetirizine) for for years daily, and then there was an extension out to six years of total treatment. ...Read more

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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.

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

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Headache is getting worse. I have been on claritin, (loratadine) flonaz, and zyrtec but nothing seems to help long-term. Any suggestions?

Headache is getting worse. I have been on claritin, (loratadine) flonaz, and zyrtec but nothing seems to help long-term. Any suggestions?

Evaluation: I would recommend that you confirm with your provider if allergies are the reason for your headache. You have used allergy medications to treat your headache and apparently have not had benefit. I think it may be likely that your headache is not allergy related at this point. ...Read more

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Long term use of children's Benadryl (diphenhydramine) vs zyrtec. Which one works best with the least chance of becoming tolerant or non responsive ? Should i alternate

Long term use of children's Benadryl (diphenhydramine) vs zyrtec. Which one works best with the least chance of becoming tolerant or non responsive ? Should i alternate

Allergy Meds: One should see an allergist to identify the allergens ang get appropriate treatment. Long term use of Benadryl (diphenhydramine) or zurtec specially at young age without physician supervision is harmful. ...Read more

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If zyrtec (cetirizine) causes me stomach pain is there a danger in using it long term?

If zyrtec (cetirizine) causes me stomach pain is there a danger in using it long term?

Stop: If any medications causes side effects it is probably best to not use that medication again. Most times there are other choices. ...Read more

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Does long term use of zyrtec (cetirizine) cause possible forgetfulness and drowsiness?

Does long term use of zyrtec (cetirizine) cause possible forgetfulness and drowsiness?

It can: Zyrtec (cetirizine) is antihistamine and histamine is active in brain so it is entirely possible to cause mental cloudiness and neuro changes. Has less 'sleepiness' than other antihistamines but doesn't mean it is without side effects. ...Read more

Dr. Paul Grin Dr. Grin
2 doctors agreed:
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How long does Zyrtec 10mg stay in system? And how long should should I wait before taking a Xanax (alprazolam)? HAlf of 0.25mg.

Dr. Paul Grin Dr. Grin
2 doctors agreed:
How long does Zyrtec 10mg stay in system? And how long should should I wait before taking a Xanax (alprazolam)?  HAlf of 0.25mg.

Zyrtec and Xanax (alprazolam): 1. No waiting is needed. No drug interactions. It is good idea to take Xanax (alprazolam) 1 hour before bed time.
2. Zyrtec is an antihistamine medication. The average elimination half-life is 8 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 8*6/24= 2 days. The Zyrtec will stay in your system for about 2 days. Hope it helps. ...Read more

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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

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How long for zyrtec (cetirizine) to work?

About 1 hour: The onset of action for zyrtec (cetirizine) to clinically improve symptoms is about 1 hour.
The reference is listed here:
http://www.Ncbi.Nlm.Nih.Gov/pubmed/11770694. ...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 long does it take for zyrtec (cetirizine) to be out of your system?

How long does it take for zyrtec (cetirizine) to be out of your system?

Effects of Zyrtec (cetirizine): The half-life of Cetirizine (the time it takes for your body to get rid of half of the drug) is about 8 hours. The vast majority should be gone within about 24 hours. ...Read more

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Is severe itch a common side effect of discontinuing zyrtec (cetirizine)? If so, how long will it last and what can I do to cope?

Is severe itch a common side effect of discontinuing zyrtec (cetirizine)?  If so, how long will it last and what can I do to cope?

It is not.: Presuming that you were taking zyrtec (cetirizine) for the itching, the itching would return when you stop taking zyrtec (cetirizine) unless you can eliminate the cause for the itching. ...Read more

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Can one become addicted to or dependant upon zrytec? Can zyrtec (cetirizine) lose its efficacy with prolonged use, if so please provide an alternative. Thanks!

Can one become addicted to or dependant upon zrytec?  Can zyrtec (cetirizine) lose its efficacy with prolonged use, if so please provide an alternative. Thanks!

Yes: Long term (years) use of antihistamine can cause them to work less effectively. Usually, however, switching to a different type of antihistamine for a few months will allow you to return back. ...Read more

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My body acts weird. Everytime I use Zyrtec (cetirizine) drops I get very little drowsy only on the first dose. My tolerance goes away if I stop it for long. Why?

Expected: That's true with most sedating antihistamines. One does get used to the drowsiness after a couple of weeks. Whether this is due to a faster breakdown of the drug by the liver or reconditioning of the brain- no one knows However it is believed that some impairment in performance does happen when measured by performance tools even though you may not be feeling it. ...Read more

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Lo has a persistent day and night cough,after having a cold 12 days ago.Zyrtec (cetirizine) helps calm cough, could it be allergies?How long can cough linger?

Lo has a persistent day and night cough,after having a cold 12 days ago.Zyrtec (cetirizine) helps calm cough, could it be allergies?How long can cough linger?

Weeks: Some of the viral infections can leave a lingering cough for many weeks although most tend to improve after 10 days. However if the cough gets worse or the child shows any sign of distress, bring him to the pediatrician immediately. ...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

Dr. John Chiu
551 doctors shared insights

Zyrtec (Definition)

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