Fexofenadine

The prescription antihistamine fexofenadine is used to treat seasonal allergies and chronic hives. By blocking the effects of histamine, this medication reduces the symptoms of sneezing, runny nose, and irritation of the throat and eyes. Fexofenadine comes in tablets, orally disintegrating tablets (ODTs), and oral suspension (liquid). Common side effects of this drug may include headache, back pain, or coughing.

 

What Is Fexofenadine?

Fexofenadine (Allegra®) is a prescription medication used to treat seasonal allergies and chronic hives. It is part of a class of medicines called antihistamines.
 

Side Effects of Fexofenadine

As with any medicine, there are possible side effects with fexofenadine. However, not everyone who takes fexofenadine will experience fexofenadine side effects. In fact, most people tolerate fexofenadine well. In most cases, fexofenadine side effects are minor, meaning they require no treatment or are easily treated by you or your healthcare provider.
 
Based on clinical studies, the most common side effects of fexofenadine occurring in either adults or children are:
 

 

Fexofenadine: What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to taking fexofenadine if you:
 
  • Have kidney disease
  • Are pregnant or are planning to become pregnant
  • Are breastfeeding
  • Have any allergies, including allergies to fexofenadine.
     
Also, tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.
 
Finally, make sure to contact your healthcare provider or call an ambulance immediately if you experience any breathing problems or difficulty swallowing.
 
(Click Precautions and Warnings With Fexofenadine for more information on this topic, including information on who should not take fexofenadine.)
 
(Fexofenadine Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;