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Doctor insights on: Can You Take 2 Claritin In 24 Hours

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Dr. Ashraf Abdel Azeem
540 Doctors shared insights

Claritin (Definition)

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


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Can I take two Claritin (loratadine) allergy pills in 24 hours?

Can I take two Claritin (loratadine) allergy pills in 24 hours?

Better not: Exceed the recommended dosage, if you think your symptoms aren't controlled, better seek medical advice, good luck ...Read more

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What happens if you accidentally take 2 claritins (loratadine) (10mg each) in 24 hours when you're supposed to only take one? Anything serious would happen?

What happens if you accidentally take 2 claritins (loratadine) (10mg each) in 24 hours when you're supposed to only take one? Anything serious would happen?

Extra Claritin (loratadine): If you are in generally good health with normal kidney and liver function, and you are not taking other sedating medications, there are not likely to be serious consequences. The worst you might experience would be excessive drowsiness, sedation, etc so don't drive for 24 hours. Also do not consume alcohol or take other medications that are CNS depressants for 48 hours. ...Read more

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Is it more effective to take more than one Claritin (loratadine) 24 hour reditabs every 24 hours?

Possibly: If you have allergies, you should really see an allergist for a detailed treatment plan tailored to your needs. Otherwise, otc antihistamines can be tried but Claritin (loratadine) is the weakest antihistamine out there. Try something like fexofenadine or cetirizine, both are stronger though they tend to cost a little more. ...Read more

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I took a Claritin (loratadine) and it is not working can I take an allegra before 24 hours?

I took a Claritin (loratadine) and it is not working can I take an allegra before 24 hours?

Yes: But if you continue to have bothersome symptoms despite taking two 24-hour antihistamines in one day, you should see your physician for further advice. ...Read more

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Is it safe to take Benadryl (diphenhydramine) if I took two 10mg loratadine tablets a few hours ago?

Is it safe to take Benadryl (diphenhydramine) if I took two 10mg loratadine tablets a few hours ago?

Yes: The two are compatible in the short term. Benadryl (diphenhydramine) is potentially sedating, so caution is advised. By the way, studies show the regular adult dose of loritadine is 10 mg and 20 mg is not found to be any more effective. ...Read more

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I am currently taking one tablet a day of generic form of Claritin for my seasonal allergies. Sometimes they work great other times, like today, they don't work at all. My question is: Should I take more than one dose within 24 hours since they do seem to

I am currently taking one tablet a day of generic form of Claritin for my seasonal allergies. Sometimes they work great other times, like today, they don't work at all. My question is: Should I take more than one dose within 24 hours since they do seem to

Don't exceed dosage: Better not to exceed recommended OTC dosage unless seen by an MD, which you might want to do, as you might need another prescription medication to control your symptoms, goodluck ...Read more

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Husband developed allergies and takes Claritin (loratadine) every night and it lasts 24 hours until he needs again Should he continue taking it or go see a doctor?

Husband developed allergies and takes Claritin (loratadine) every night and it lasts 24 hours until he needs again Should he continue taking it or go see a doctor?

Ok to stay: If Claritin alone controls his allergies, it would be ok for him to continue on it. On the other hand, I suspect that it is only rendering his symptoms more tolerable since Claritin does not decongest the nose. A nasal steroid usually works better. If symptoms remain uncontrolled with nasal steroid. Consider seeing an allergist. ...Read more

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I took Claritin 24 hours, 12 hours ago but my allergies are out of control again. Can I take half a Benadryl (diphenhydramine) to help with my itchiness?

I took Claritin 24 hours, 12 hours ago but my allergies are out of control again. Can I take half a Benadryl (diphenhydramine) to help with my itchiness?

Yes: Adding Benadryl (diphenhydramine) is fine. If your allergies are out of control you might want to consider adding medicated nasal sprays to your treatment regimen. Consider seeing an Allergist so that you can get better relief. Skin testing to determine sensitivities to indoor and outdoor allergens is useful. If you fail both medications and avoidance measures you might want to consider allergy shots. ...Read more

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Can I take tylenol (acetaminophen) sinus congestion with Claritin 24 hours?

Can I take tylenol (acetaminophen) sinus congestion with Claritin 24 hours?

Yes, for short time: The previous answer is sound. To add: the 3, 000 mg per day relates to the Tylenol (a.k.a. acetaminophen) component. Also check the decongestant drug that appears in both products. If it is the same, mind the daily dose. If different, it is harder to advise around doses, but know that there is little need for both, and they may raise your blood pressure. Safer take plain Tylenol with Claritin-D 24. ...Read more

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Is it ok. To take two Claritin (loratadine) a.Day?

Claritin (loratadine): Yes you can take Claritin (loratadine) in the morning and twelve hours later if the need arises. ...Read more

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Can I take two doses of Claritin (loratadine) at once?

Yes: Antihistamines are usually safe even when the dose is doubled. ...Read more

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Is it possible for you to take two Claritin (loratadine) a day?

Sometimes: While the usual dose of Claritin (loratadine) is 10 mg once a day, there are circumstances where allergists may use higher doses to treat persistent hives. Drowsiness in more likely to occur with higher than recommended doses of claritin, (loratadine) but in general, severe or significant side effects are unlikely. ...Read more

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Conflicting advice from two drs on Claritin (loratadine) d otc. One says take indefinitely, other stop?

Conflicting advice from two drs on Claritin (loratadine) d otc. One says take indefinitely, other stop?

D is decongestant: Claritin-d contains two drugs, an antihistaminic named Loratadine and a decongestant adrenergic called pseudoephedrine. It is best to use each drug according to what is intended for. Antihistaminics are to control histamine release and decongestant to reduce swelling and secretions. Continuous use of antihistaminics are helpful for perennial allergies, such as to dust mite. ...Read more

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Can I take two loratadine tablets?

Can I take two loratadine tablets?

Yes, but why?: Studies of loritadine show the medication is well tolerated at twice the recommended 10 mg dose. However, the same studies show no added benefit of the double dose in symptom relief over the regular dose schedule. If one is not working well, you may want to try otc fexofenadine or a steroid nasal spray. ...Read more

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Can I safely take two 10 mg doses of loratadine in one day?

Can I safely take two 10 mg doses of loratadine in one day?

It may make u Drowsy: The full adult dose of Loratadine in other parts of the world is 20 mg. This amount caused a 12-14% drowsiness rate. The 10 mg dose was tested in the us in order to find a non-drowsy dose and it worked. If your allergy symptoms are controlled with Diphenhydramine (benadryl-50% drowsiness) and not 10 mg loratadine, you can try a second 10 mg dose and it may help with a lot less drowsiness. ...Read more

Dr. Al Hegab Dr. Hegab
2 doctors agreed:
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How does Claritin (loratadine) work? I'm wondering what would happen when I take two, how does it effect my body. And if I take one and I still feel itchy, would taking two help control my symptoms more?

Dr. Al Hegab Dr. Hegab
2 doctors agreed:

An antihistamine: Claritin, (loratadine) like all other antihistamines, blocks histamine receptors thus prevents histamine release, one major mediator, out of many, that cause allergy symptoms. If one tablet isn't controlling your symptoms, better see your doctor, you may need some other medicine ...Read more

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Can I take Claritin d after taking two allerga?

Can I take Claritin d after taking two allerga?

Yes: Claritin D contains a decongestant which Allegra (as opposed to Allegra D does not). However if you need that much antihistamine you may find a nasal steroid working far better (needs several days to get optimal results) ...Read more

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I have sulfa allergy. I have itching, burning rashes all over my body. Can I take one Claritin (24 hr) in the morning and two Benadryl (diphenhydramine) at night?

I have sulfa allergy. I have itching, burning rashes all over my body. Can I take one Claritin (24 hr) in the morning and two Benadryl (diphenhydramine) at night?

Allergic rash: You can take 4 10mg Claritin (loratadine) a day for chronic hives. Be sure it is Claritin (loratadine) plain without decongestant. Avoid Sulfite-containing foods like wine, dried fruits, radishes, potatoes, shrimp ...Read more

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I'm having severe itchy burning head from hair color allergy. Can I take two Loratadine tablets 10 milligram? One isn't helping very much

I'm having severe itchy burning head from hair color allergy. Can I take two Loratadine tablets 10 milligram? One isn't helping very much

Worthless: There is no role for loratadine in treating this type of allergic reaction. A physician needs to evaluate the reaction and treat appropriately. If sure of the cause, the best otc medication would be topical hydrocortisone. Step 1, of course, is to rinse away the hair dye as much as possible. ...Read more