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Doctor insights on: What Happens If You Accidentally Take Too Many Allergra

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What happens if you accidentally take two allergra pills in one day? 120 lbs pt.

What happens if you accidentally take two allergra pills in one day? 120 lbs pt.

Will be fine: Allegra (also known as fexofenadine) comes in different doses, but even if you take 2 of the highest dose (180 mg) pills in one day, it should not cause any problems. Maybe make you a bit more thirsty. ...Read more

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Dr. Michael Finkelstein
377 doctors shared insights

Allegra (Definition)

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


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What should I do if I accidentally take too much allegra (fexofenadine)?

What should I do if I accidentally take too much allegra (fexofenadine)?

Stop taking it.: The half life of Allegra (fexofenadine) is 14.5 hours in normal individuals. It is metabolized mainly through the liver and GI tract so if you have liver disease it may be metabolized slower. This means that in a normal individual about half of the medication is left after 14.5 hours. ...Read more

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What if i accidentally take two allegra (fexofenadine) d tablets within 24 hours?

What if i accidentally take two allegra (fexofenadine) d tablets within 24 hours?

Watch: If you took 2 of 180mg tab, please have someone watch for you the following signs: headache, vomiting, dizziness (2%), fever, pain, drowsiness etc, and contact your md immediately. ...Read more

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I typically take an allegra (fexofenadine) 180 in the am and an alavert 10mg at night. Today i accidentally took 1 allegra (fexofenadine) 180 @7am and another at 10pm. Will i be ok?

I typically take an allegra (fexofenadine) 180 in the am and an alavert 10mg at night. Today i accidentally took 1 allegra (fexofenadine) 180 @7am and another at 10pm. Will i be ok?

Yes: Allegra (fexofenadine) is a very safe new generation antihistamine that does not cross the blood-brain barrier, so even more than the recommended dose will not lead to drowsiness or impaired reaction time. However, higher than normal doses of alavert (loratadine) could potentially lead to mild drowsiness. ...Read more

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What happens if you take too many allergra?

Various side effects: Higher than recommended doses can cause dizziness, drowsiness, nausea, headache and dry mouth. A minority of patients also can have stomach ache, backache and increased fatigue. ...Read more

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

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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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 allegra (fexofenadine) and nyquil together?

Yes: While nyquil contains multiple ingredients that also includes an antihistamine, the addition of 1 Allegra (fexofenadine) (also an antihistamine) will not be harmful. ...Read more

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How much allegra (fexofenadine) can I take?

Allegra (fexofenadine): Hello. The normal dose for Allegra (fexofenadine) is 180 mg per day for an adult. Check with your pharmacist for other options if you feel this medication at that dose isn't helpful. There are other otc meds you could try. ...Read more

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Can I take allegra (fexofenadine) with singular?

Absolutely: Their mechanisms of action are totally different and even somewhat complementary. ...Read more

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Can i take allegra (fexofenadine) if im on loratabs?

Can i take allegra (fexofenadine) if im on loratabs?

Loratadine / lorabid: The first is an antihistamine , the second an antibiotic. In either case it should be ok , but would speak to your doctor to clarify so that you are not taking double meds when not necessary, as Allegra (fexofenadine) is also an antihistamine. ...Read more

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How long does it take for allegra's effects to begin?

Pretty Quickly: Allegra (fexofenadine) and most otc antihistamines has its effect within the first 30 -60 minutes. ...Read more

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Can i take allegra (fexofenadine) and claritanl together?

Can i take allegra (fexofenadine) and claritanl together?

Yes, but why: Both Allegra and Claritin (loratadine) are new generation antihistamines used to treat allergies. If symptoms are so severe that both medications are needed, see an allergist for a better treatment plan. However, there is no drug interaction if both are taken together at usual doses. ...Read more

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Can i take anything else on top or allegra (fexofenadine)?

Can i take anything else on top or allegra (fexofenadine)?

Zyrtec (cetirizine): If you mean "on top" of allegra, (fexofenadine) or in addition to Allegra (fexofenadine) to reduce itching i would recommend zyrtec. Allegra (fexofenadine) in the am and zyrtec at night. Zyrtec may cause drowsiness so be careful. ...Read more

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What if i take two allegra (fexofenadine) d, is this safe?

Double dosing: Many over-the counter medications are provided at 1/2 the prescription dose. For example, otc Pepcid (famotidine) is 20mg, whereas the prescribed dose is usually 40 mg. This general principle does not apply to all medications and Allegra-D is a good example. Double dosing the pseudofed in this medication could be dangerous. Always ask the pharmacist about safety before double dosing any otc medications. ...Read more