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Doctor insights on: Allegra Overdose

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Allegra (fexofenadine) overdose - anything to worry about?

Allegra (fexofenadine) overdose - anything to worry about?

Possibly: Allegra (fexofenadine) has been studied at very high doses with no clinically significant adverse events. However, if a high enough dose is taken there may be adverse effects. I would be most concerned about potential cardiac arrhythmias at very very high doses. ...Read more

Dr. Tiffanie Noonan
360 Doctors shared insights

Fexofenadine (Definition)

Fexofenadine is an antihistamine which is used to treat allergies such as hayfever, and hives. It can be taken once or twice a day. It is a second generation antihistamine and does not cause as much drowsiness as other antihistamines such as Diphenhydramine (benaryl) or chlorpheniramine. Always be careful about drowsiness with any antihistamine especially if driving ...Read more


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What is the treatment for allegra (fexofenadine) overdose?

What is the treatment for allegra (fexofenadine) overdose?

Depends: Any overdose by any medication needs to be evaluated immediately. The treatment will depend upoin what is ingested, how much is injested and how it was injested. ...Read more

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Allegra (fexofenadine) overdose - anything to worry about?

Possibly: Allegra (fexofenadine) has been studied at very high doses with no clinically significant adverse events. However, if a high enough dose is taken there may be adverse effects. I would be most concerned about potential cardiac arrhythmias at very very high doses. ...Read more

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What is the definition or description of: Allegra (fexofenadine) overdose?

Allegra overdose: An overdose occurs when an excessive / dangerous dose of a drug / substance is used. "Symptoms of overdose may include: dizziness, drowsiness, dry mouth" REF: https://medlineplus. Gov/druginfo/meds/a697035.html ...Read more

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What is the treatment for allegra (fexofenadine) overdose?

Depends: Any overdose by any medication needs to be evaluated immediately. The treatment will depend upoin what is ingested, how much is injested and how it was injested. ...Read more

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Any dangers of overdosing on allegra (fexofenadine)?

Any dangers of overdosing on allegra (fexofenadine)?

Possibly: Allegra (fexofenadine) has been studied at very high doses with no clinically significant adverse events. However, if a high enough dose is taken there may be adverse effects. I would be most concerned about potential cardiac arrhythmias at very very high doses. ...Read more

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Is expired allegra (fexofenadine) safe?

Is expired allegra (fexofenadine) safe?

Expired medication: Typically, when a medication expires, it's because it loses its potency or effectiveness. There are some medications that, with time, do breakdown with time into harmful substances. Check with your pharmacist to make sure. I would not recommend taking any expired medication. ...Read more

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What if I took two allegra (fexofenadine)?

What if I took two allegra (fexofenadine)?

Avoid doing this: Allegra (fexofenadine) is sold in both 60 mg doses taken twice a day, and a 180 mg dose taken once a day. There is not good data on taking twice the dose at one time. Avoid doing it. If your allergy symptoms are not controlled with the fda recommended dosing, see an allergist. There are certain situations when I prescribe other dosing. ...Read more

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Taking 3 allegra, (fexofenadine) will I die?

Taking three allegra (fexofenadine): Will not kill you. But, I am concerned by your question. Is your aim to harm or kill yourself? If so, please get help now. A friend or relative can take you to the nearest emergency room if you are contemplating suicide. Things can improve with help. Take care. ...Read more

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I accidentally took 2 Allegra (fexofenadine) 180mg?

I accidentally took 2 Allegra (fexofenadine) 180mg?

No major problem: If this is a plain antihistamine with no decongestant in it, I would expect no serious problem although some minor drowsiness may occur. As, long as you're experiencing no discomfort simply let the medication dissipate. If you have any further concerns, call your physician. ...Read more

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What happens if I take too much allegra (fexofenadine)?

Nothing: You may either become sedated or it could make you jittery. Overall the otc allergy medications are very safe and you would have to take many to have any significant side effects. ...Read more

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Please describe the medication: allegra (fexofenadine) d?

Please describe the medication: allegra (fexofenadine) d?

Allergy med: Allegra d is the brand name for the combination of fexofenadine (antihistamine) and Pseudoephedrine (decongestant). It is approved for treatment of allergic rhinitis in persons over 12 years old. It is now available without a prescription. ...Read more

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Allegra (fexofenadine) vs allegra (fexofenadine) d: what is the difference?

Allegra (fexofenadine) vs allegra (fexofenadine) d: what is the difference?

Allegra (fexofenadine) vs Allegra (fexofenadine) D: Hello, Allegra (fexofenadine) is an antihistamine that helps with an allergic disorder. Allegra (fexofenadine) d is the same medication with an added decongestant. This medication will help you resolve your congestion. ...Read more

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I took allegra (fexofenadine) which was never opened but was expired is that ok?

I took allegra (fexofenadine) which was never opened but was expired is that ok?

Probably: If stored in cool area, it is likely ok for 2 more years after the expiration date. The US Army did a study on that and found that most drugs were good for a couple more years after the stated expiration date if stored properly. In Allegra's case, the worst would be less effectiveness. However I would caution using antibiotics, biologicals (insulin etc), and epinephrine past the expiration date ...Read more

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Can I take Chlor-trimeton and Allegra?

Both anti-histamines: Fexofenadine (active ingredient in Allegra) and chlorpheniramine (active ingredient in Chlor-Trimeton) achieve the same purpose & are duplicative therapy. Of note, there is no drug interactions reported between them, but adding the two may not be advantageous. ...Read more

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Does allegra (fexofenadine) makes you sleep?

Does allegra (fexofenadine) makes you sleep?

Should not: 99 % it should not make you sleepy, but I have heard pt saying sometimes I feel sleepy after taking allegra, (fexofenadine) probably indirectly pt might be tired. ...Read more

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Can I take allegra (fexofenadine) with nyquil?

Can I take allegra (fexofenadine) with nyquil?

Cautiously: Be very careful as there may be increased side effects like drowsiness. ...Read more

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Can allegra (fexofenadine) affect pft results?

PFT: No. Allegra (fexofenadine) is just "anti-histamine" commonly referred to as "allergy medicine" in broad sense. Allergy medicines do not affect lung function. ...Read more

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Which is better allegra (fexofenadine) or zytrec?

Which is better allegra (fexofenadine) or zytrec?

Depends: Both Allegra (fexofenadine) and zyrtec are effective new generation antihistamines that are generally very well tolerated. Some people respond better to one antihistamine compared to another (it's not clear why), so try both and see what works better! ...Read more

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Would allegra (fexofenadine) d make my head itch.

Would allegra (fexofenadine) d make my head itch.

Shouldn't use it.: Not an expected effect. Potentially the decongestant may heighten your sensation of itching and would not cause it. I have not seen a person truly allergic to Allegra (fexofenadine) yet although it is very remotely possible. ...Read more

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Does allegra (fexofenadine) work for insect bites?

Does allegra (fexofenadine) work for insect bites?

Allergy, yes: Allegra (fexofenadine) is an antihistamine that could help treat hives triggered by insect stings, but will likely have less effect on bug bites in my experience. ...Read more

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Is claritan d better than allegra (fexofenadine) d?

Is claritan d better than allegra (fexofenadine) d?

No: Both are antihistamine decongestant combinations. There is no significant data that would suggest one is clearly superior to the other. ...Read more

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Does allegra (fexofenadine) d normally make you drowsy?

Does allegra (fexofenadine) d normally make you drowsy?

No: Allegra (fexofenadine) d typically does not make one drowsy, but it can. With the "d" component, which is pseudophed, most patients get hyper b/c this is a stimulant. ...Read more

Dr. Michael Finkelstein
382 Doctors shared insights

Allegra (Definition)

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


Overdose (Definition)

When the maximum dose of medication ...Read more