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Doctor insights on: Claritin Or Zyrtec For Hives

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I'm taking zyrtec for severe case of hives. Was told to take Claritin (loratadine) in between if needed. I need more. Can I overdose if I take a second claritin (loratadine)?

I'm taking zyrtec for severe case of hives. Was told to take Claritin (loratadine) in between if needed. I need more. Can I overdose if I take a second claritin (loratadine)?

You can: Ideally I would recommend Allegra 180mg in the morning and zyrtec 10mg at night and Benadryl (diphenhydramine) in between for breakthrough hives. Take 2 clartin a day is ok, but it may not be as effective as the other 2. ...Read more

Dr. Bernard Seif
3 Doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


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Claritin (loratadine) does not take away my terrible hives caused by macrobid, will zyrtec do the job?

Could be: Sorry this happened to you!
Definitely worth trying Zyrtec and maybe adding Benadryl (diphenhydramine) if there are no reasons not to. ...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 I use Flonase and take Claritin and Zyrtec in the same day?

Can I use Flonase and take Claritin and Zyrtec in the same day?

Yes: No expected benefit of combining Zyrtec and Claritin (there are situations that call for high dose antihistamine use, but generally with one or the other). Both are safe when used in combination with Flonase. ...Read more

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Difference between polaramine, zyrtec and claritin (loratadine)?

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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Can zyrtec or Claritin (loratadine) cause a child to have diarrhea?

Can zyrtec or Claritin (loratadine) cause a child to have diarrhea?

It's very unlikely: It's very unlikely for these antihistamines to cause diarrhea, so look for other possible explanations. If the diarrhea is transient, there's a good probability that it could be viral. ...Read more

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What happens if you mix allegra with zyrtec and claritin (loratadine)?

What happens if you mix allegra with zyrtec and claritin (loratadine)?

Allergy meds: Hello. Allergy medication like zyrtec, Allegra and Claritin (loratadine) help with the symptoms of allergy. The dose for an adult is 180 mg for allegra, 10 mg for Claritin (loratadine) and 10 mg for zyrtec. If you take all these meds on the same day, an increase in dryness as well as sedation will likely occur. There are other medications to help with your allergies. See your doctor. ...Read more

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Can you take claritin, (loratadine) allegra and zyrtec at the same time?

Can you take claritin, (loratadine) allegra and zyrtec at the same time?

You shouldn't: All of those medications are in the same class called non-sedating antihistamines. They should not be taken at the same time. ...Read more

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Is it safe to take zyrtec (cetirizine) and loratadine (claritin) at the same time?

Zyrtec (cetirizine) loratidine: Yes but can get expensive and I wouldn't recommend it routinely. ...Read more

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Can I take Claritin (loratadine) in the morning and zyrtec at night. Allergies are just that bad..

Can I take Claritin (loratadine) in the morning and zyrtec at night. Allergies are just that bad..

Should be OK: I have also found that seasonal allergies can benefit from a sinus rinse using a Neilmed (for example), a little teapot like container with saltwater. If you take the antihistamine in the am and pm I do not think they have to be the same brand. ...Read more

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In suffering pretty bad from allergies right now. Should I switch from Claritin (loratadine) to Zyrtec tomorrow?

Yes: Yes, you should! Zyrtec in my clinical experience works better, the trade off is that it's a little more sedating than Claritin. If sleepiness is a problem, then take the Zyrtec at night before bed. Hope this helps! You may need a nasal spray if this doesn't do the trick. Hope this helps! ...Read more

Dr. Al Hegab Dr. Hegab
4 doctors agreed:
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Which is stronger Allegra, Zyrtec or Claritin (loratadine) I know they all treat same thing which one more likely to be Strongest?

Dr. Al Hegab Dr. Hegab
4 doctors agreed:
Which is stronger Allegra, Zyrtec or Claritin (loratadine) I know they all treat same thing which one more likely to be Strongest?

All r created equal: But one might be more equal (convenient) to a patient than another, as different patients respond differently to different drugs, that's what they call: pharmacogenetics, a relatively new science that can tell how patients would respond to different drugs, bit expensive though to be tried on every medicine, so trial and error would be the way to go for now, good luck ...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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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

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Is it safe to take ceterizine (zyrtec) and loratadine (claritin) together?

Usually yes, but why: Taking the two together though usually does not offer much in the way of additional benefit for nasal allergies. ...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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I gave my toddler Claritin (loratadine) this morning and it did nothing. Can I give him Zyrtec at bedtime?

I gave my toddler Claritin (loratadine) this morning and it did nothing. Can I give him Zyrtec at bedtime?

Other options: If you are treating allergic rhinitis (hay fever) then you might want to think about adding additional avoidance measures and meds to regimen to help control symptoms better. Saline rinses, steroid nasal sprays, and various OTC preparations can help alleviate allergies in conjunction with Claritin. See an allergist for further testing to determine sensitivities and provide appropriate management ...Read more

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Several months I suffer from chronic congestion. Neither zyrtec or claritin (loratadine) helps. What to do or take next?

Nasal steroid: Antihistamine alone does not decongest your nose although it may reduce the sneezing, runny nose, or itching. Consider a trial with nasal steroid. If still not helpful, consult an allergist. ...Read more

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Can I give my 3 year old 1/2 tsp of zyrtec at night and then follow up with a 5mg chewable Claritin (loratadine) tablet in the am?

Yes: Yes, one can do this. Instead consider 2.5 ml of zyrtec twice daily as the maximum daily dose of zyrtec at this age is 5 ml. If you have to use this high of a dose to control allergies consider seeing your doctor for other prescription options like nasal steroids. As always, treatment of allergies includes avoidance of the allergen in addition to 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?

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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For children's allergies should you combine zyrtec and claritin (loratadine)?

For children's allergies should you combine zyrtec and claritin (loratadine)?

Pick one: While both zyrtec (cetirizine) and Claritin (loratadine) are approved for treatment of allergies in children, it is rarely necessary to use both at the same time. In my experience, Claritin works for many and zyrtec works for most patients. While there is little harm to combining these, it doesn't add to the effectiveness. ...Read more

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What is best for chronic sinusitis? Allega d, Claritin (loratadine) d or zyrtec d

What is best for chronic sinusitis? Allega d, Claritin (loratadine) d or zyrtec d

Probably neither: The medications that you describe are all antihistamines. They rarely are effective in eradicating an inflammation that has been present for 3 months (definition of chronic sinusitis). Even if allergy is part of your problem, these medications are not very effective. A better anti-inflammatory drug that might help temporarily is prednisone. ...Read more

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Will something like Claritin (loratadine) or zyrtec relieve cat allergy symptoms?

Possible: Oral antihistamines are used to treat itchy nose, eye and sneezing. So if one is experiencing these symptoms use of anti histamines would be reasonable. ...Read more

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Are Claritin (loratadine) and zyrtec the same effectiveness when use for allergic rhinitis?

Are Claritin (loratadine) and zyrtec the same effectiveness when use for allergic rhinitis?

Yes: Claritin (loratadine) and zyrtec are both oral antihistamine agents that block the effects of histamine on what is called the h1 receptor. By doing this, they reduce the release of histamine, a substance that causes itching, runny nose, and sneezing. Zyrtec blocks the receptor a bit better, but the clinical effect of the medications is roughly the same. Zyrtec may cause some drowsiness, but may last longer. ...Read more

Dr. Ashraf Abdel Azeem
537 Doctors shared insights

Claritin (Definition)

Claritin is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...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