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Doctor insights on: What's The Difference Between Loratadine And Cetirizine

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What is the difference between loratadine and cetirizine dihydrochloride? Is one better?

What is the difference between loratadine and cetirizine dihydrochloride? Is one better?

Cetirizine FTW: Most allergists would recommend cetirizine. It is more effective at controlling symptoms than loratidine. Cetirizine does make 10-15% of people sleepy, however. ...Read more

Dr. John Chiu
572 Doctors shared insights

Cetirizine (Definition)

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


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What is the difference between zyrtec and Claritin (loratadine) medicines?

What is the difference between zyrtec and Claritin (loratadine) medicines?

Yes: Similarity: in the 2nd generation antihistamine class of drugs. Zyrtec and Claritin (loratadine) are safe in pregnancy. Both can cause dryness and urinary symptoms as a sideffect differences: Claritin (loratadine) does not usually cause drowsiness. Zyrtec typically can. The time it takes to be effective vary as well. As far as effectiveness: depends on person. Zyrtec in some studies have been shown to be faster acting. ...Read more

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Is there a difference between alegra and zyrtec and claritin (loratadine)?

Is there a difference between alegra and zyrtec and claritin (loratadine)?

Most allergists: Would recommend zyrtec and Allegra over claritin (loratadine). Zyrtec makes a few people sleepy, but may be slightly stronger than allegra. ...Read more

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Difference between polaramine, zyrtec and claritin (loratadine)?

Antihistamine: Benadryl, (diphenhydramine) polaramine, chlortrimeton etc., are old time antihistamines used for runny nose, sneezing, itching, and other allergies. They are very effective but can cause drowsiness and should be avoided in day time. Carefully read all the side effects.
Zyrtec, Claritin & Allegra are newer antihistamines, with lot less drowsiness or other side effects. They work fairly well for most people. ...Read more

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What is the difference, if any, between zyrtec, claritin, (loratadine) or allegra in their effectiveness for springtime allergies?

What is the difference, if any, between zyrtec, claritin, (loratadine) or allegra in their effectiveness for springtime allergies?

Same: Each of the medicines work for some people; others for other people. No one medicine works for everyone all of the time. Sometimes you have to try different ones to see which one works best for you. ...Read more

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Is better loratadine or cetirizine?

Depends: While many people prefer Loratadine and it works just fine, others find more relief with cetirizine. It is difficulty to know who will respond better to one or the other. ...Read more

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Can I take a Claritin (loratadine) and zyrtec?

Yes but: You should not take them unless you checked with a doctor and it all depends what you are trying to treat. They work the same, so adding one may not give you the results you are seeking. ...Read more

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Can I take both zyrtec amd claritin (loratadine)?

Can I take both zyrtec amd claritin (loratadine)?

You shouldn't: Both medications are in the same class called non-sedating antihistamines and are effective for 24 hours. They should not be taken at the same time. ...Read more

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Is it ok to take Claritin (loratadine) and zyrtec?

No problem: At higher doses, for allergic rhinitis, you don't get much better effects. For chronic hives, higher doses of antihistamines can sometimes give better results. ...Read more

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Is loratadine less severe than zyrtec (cetirizine)?

Is loratadine less severe than zyrtec (cetirizine)?

Loratadine is weaker: When loradine (claritin) was studied the manufacturer selected the lowest dose that gave a response better than placebo but didn't have more side effects than placebo. This caused it to be a fairly weakly effective med. As it wasn't studied at higher dose I can't speak to safety of higher doses. Personally, I find zyrtec (cetirizine) to be much more effective but may be more sedating. ...Read more

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Can I give my child zyrtec and claritin (loratadine)?

Can I give my child zyrtec and claritin (loratadine)?

Antihistamines: Both are third generation antihistamines and work effectively for allergies. However, zyrtec (cetirizine) may cause more drosiness. Do not take both at the same time. ...Read more

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Is it okay to take cetirizine and loratadine together?

Is it okay to take cetirizine and loratadine together?

Generally, yes: In general, it is okay to take both of these antihistamines at the same time. However, I would recommend evaluation by a board certified allergist if you are having to use both of these medicines to control your allergy symptoms. ...Read more

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Can you take loratadine and cetirizine at the same time?

No: These are the same class of medication and probably should note be used together. ...Read more

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Taking Claritin (loratadine) and zyrtec at the same time?

Not necessary: Both Claritin (loratadine) and zyrtec are considered new generation antihistamines and have the same effects. If a person accidentally took these at the same time, there is likely no adverse effect, but there is really no need to take both for treatment of symptoms. If symptoms of allergies are not controlled, see an allergist for a better treatment plan. ...Read more

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Can I take cetirizine and loratadine together the same day?

Generally, yes: In general, it is okay to take both of these antihistamines at the same time. However, I would recommend evaluation by a board certified allergist if you are having to use both of these medicines to control your allergy symptoms. ...Read more

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Is it possible for me to take zyrtec and claritin (loratadine)?

Is it possible for me to take zyrtec and claritin (loratadine)?

Both antihistamines: Both Claritin (loratadine) and zyrtec are antihistamines. Each should last 24 hours for control of allergic rhinitis symptoms. However, some patients have more severe symptoms or may be using antihistamines for reasons other than allergic rhinitis and may require more frequent dosing of antihistamines including using Claritin (loratadine) and zyrtec same day. Recommend this be done under allergist supervision. ...Read more

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Can I take a zyrtec and a Claritin (loratadine) in the same day?

Yes: Antihistamines are well tolerated even when the dose is doubled or when one is taking 2 kinds of antihistamines. ...Read more

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Is it btter to take a 20 mg of Zyrtec or 20 mg of Claritin (loratadine)?

Depends: Although Zyrtec is considered somewhat more potent than Claritin, (loratadine) the effect may vary from one person to another. Either can cause drowsiness at this dose. ...Read more

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Is it ok to take Claritin (loratadine) in the morning and Zyrtec at night?

Is it ok to take Claritin (loratadine) in the morning and Zyrtec at night?

No additional benef: Since both of these meds work in very similar ways, there is likely to be very little additional benefit from using both, and much more likely to have side effects from the meds. If one alone is not working, talk to doc about what combination therapy may be more useful, including use of prescription med like Singulair (montelukast). Also need to delve into allergen prevention so you won't need as much meds. ...Read more

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I took claritin (loratadine) like around3 a.m is it ok to take zyrtec like 5-8 hrs later?

Once daily medicine: These are over the counter medicine and one should adhere to the dosing information on the label. ...Read more

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The zyrtec alone isn't helping. Anyone else take Claritin (loratadine) with zyrtec together?

The zyrtec alone isn't helping. Anyone else take Claritin (loratadine) with zyrtec together?

See below: That would not be advised. Again, treating allergies adequately, depends upon the symptoms you are having. For congestion, you need a decongestant, such as Allegra d. Also, nasal steroid sprays are an another alternative. ...Read more

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Which is better for allergies zyrtec or claritin (loratadine)?

Zyrtec (cetirizine): Zyrtec (cetirizine) has more anti-allergy or anti-inflamatory effects than clariten (loratidine) and is often better for most allergic symptoms. It does cause drowsiness in some patients. Antihistamines work best when taken at bedtime if you are taking them on a daily basis - as in a pollen allergy or allergy to a pet that lives in your house. ...Read more

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Can you have cetirizine and Claritin (loratadine) same time?

Can you have cetirizine and Claritin (loratadine) same time?

Ok but...: As antihistamines have a high safety margin, you may just end up with dry mouth and perhaps drowsiness if you take 5 times the dose in one gulp. This combination is safe if it works for you. ...Read more

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Can you take cetirizine HCl and loratadine at the same time?

You shouldn't: Both medications are in the same class called non-sedating antihistamines and are effective for 24 hours. They should not be taken at the same time. ...Read more

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Is it safe to take zyrtec 12 hours adter claritin (loratadine)?

Would wait....: Claritin (loratadine) lasts 24 hrs. Would wait another 12 hours before taking it. ...Read more

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Is it safe to take Claritin (loratadine) and zyrtec the same day?

Is it safe to take Claritin (loratadine) and zyrtec the same day?

Allergy meds: Hello. Allergy medication like zyrtec and Claritin (loratadine) help with the symptoms of allergy. The dose for an adult is 10 mg for Claritin (loratadine) and 10 mg for zyrtec. If you take both on the same day, an increase in dryness as well as sedation will likely occur. There are other medications to help with your allergies. Instead of taking these two medications, see your doctor for other options. ...Read more

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How much do Claritin (loratadine) or zyrtec help when you catch a cold?

How much do Claritin (loratadine) or zyrtec help when you catch a cold?

Don't: These are antihistamines. You do not need them. The cold symptoms will go away. ...Read more

Dr. John Chiu
550 Doctors shared insights

Zyrtec (Definition)

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