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Doctor insights on: Are There People Who Should Not Take Allegra

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Are there people who should not take allegra (fexofenadine)?

Are there people who should not take allegra (fexofenadine)?

Some: Pku patients: Allegra (fexofenadine) odt contains phenylalanine, other Allegra (fexofenadine) formulations are ok. Pregnancy: it's category c, so pregnant women should avoid and use category b kidney failure: since Allegra (fexofenadine) is excreted by kidneys, a lower dose is used previous adverse reaction to allegra (fexofenadine). ...Read more

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Dr. Melissa Gowans
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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How much allegra (fexofenadine) can I take?

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?

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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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 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

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