allergy medication, over the counter

What is Fexofenadine?

It is a second generation antihistamine, or allergy medication.  It is used to treat seasonal allergies and hives.  In Canada and the United States it is sold under the Brand name Allegra®.

You may also see it listed as fexofenadine hydrochloride or fexofenadine hcl.

It is available without a prescription in the United States as both Allegra® and Allegra-D®.  Full prescription strength can be purchased over the counter.

Side Effects

It is generally well tolerated.  Side effects include: drowsiness, dizziness, headache and vomiting.

Contact your health care provider if you are concerned about side effects



Normal adult dose: 180mg once a day or 60mg twice a day

Children 6 to 11 years old (with a doctors recommendation) 30mg twice a day

Children 2 to 6 years old (with a prescription) 30mg twice a day

Fexofenadine with pseudoephedrine

Normal Adult dose: 60mg/120mg once or twice a day or 180mg/240mg once a day.


For most people this is a non-drowsy medication, however, I always recommend people take the first dose at home.  Then you know how you will feel while taking this medication.

Do you know sinus rinse kits can reduce allergy symptoms?  Yes, they can.  Give one a try, my favorite is the NeilMed Sinus Rinse Kit.

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The pharmaceutical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education and should not be used as a substitute for professional diagnosis and treatment.
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