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Doctor insights on: Allegra Overdose

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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)?

Call poison control: It depends on how much you take, and what other medical conditions you have. When in doubt call poison control, contact your doctor, or go to the emergency room. ...Read more

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Dr. Amrita Dosanjh
334 doctors shared insights

Fexofenadine (Definition)

Fexofenadine, previously marketed under the brand name allegra, is an antihistamine similar to ...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?

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 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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Can you take too much allegra (fexofenadine)? What would the symptoms be?

Can you take too much allegra (fexofenadine)? What would the symptoms be?

Yes: Any medication can cause problems if taken in excess. Though I am not familiar with specific symptoms regarding Allegra (fexofenadine) overdose, most of the time, patients will have vomiting, abdominal pain, or headaches. I would imagine that liver problems might occur with too much Allegra (fexofenadine) as it is a medication that is broken down by the liver. Bottom line: don't do it. ...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?

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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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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Dr. Michael Finkelstein
358 doctors shared insights

Allegra (Definition)

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