Allegra-D Side Effects

There are a number of side effects that may potentially develop with the use of Allegra-D. Side effects that were most commonly reported in clinical trials include nausea, dry mouth, headache, indigestion, and insomnia. Other rare but possible Allegra-D side effects that are documented in less than 1 percent of patients include unexplained rash, allergic reaction, or difficulty breathing.

 

An Introduction to Allegra-D Side Effects

As with any medicine, there are possible side effects with Allegra-D® (fexofenadine and pseudoephedrine). However, not everyone who takes Allegra-D will have side effects. In fact, most people tolerate Allegra-D well. When side effects do occur, they are generally minor and either require no treatment or can easily be treated by you or your healthcare provider. In previous research studies, up to 3.7 percent of people stopped taking Allegra-D because of side effects.
 
(The side effects discussed below are not a complete list of side effects reported with Allegra-D. Your healthcare provider can discuss a more complete list of Allegra-D side effects with you.)
 

Common Allegra-D Side Effects

Allegra-D has been studied in clinical trials. In these studies, side effects are always documented and compared to those that occur in a similar group of people not taking the medicine. Based on these studies, the most common side effects seen in people taking Allegra-D included:
 
Other side effects with Allegra-D that occurred in more than 2 percent of people included, but were not limited to:
 
(Allegra-D Side Effects Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;