Kids Home > Infanrix Side Effects

Although most children do not experience any problems after receiving Infanrix, side effects are possible. Some of the most common reactions that have been reported with this vaccine include fussiness or irritability, drowsiness, and pain at the injection site. While most side effects are mild, some may require prompt medical attention (such as seizures or high fever).

An Introduction to Infanrix Side Effects

As with all vaccines, side effects are possible with Infanrix® (DTaP). However, not everyone who receives the it will have problems. In fact, most children tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can be treated easily by you or your healthcare provider.
 
(This article covers many, but not all, of the possible side effects with Infanrix. Your healthcare provider can discuss a more complete list of side effects with you.)
 

Common Side Effects of Infanrix

Infanrix has been studied thoroughly in clinical trials. In these studies, the most common side effects included:
 
  • Fussiness or irritability -- in up to 61.5 percent of children
  • Drowsiness -- up to 54 percent
  • Pain at the injection site -- up to 53.3 percent
  • Redness at the injection site -- up to 48.2 percent
  • Swelling at the injection site -- up to 32.8 percent
  • Fever -- up to 30.2 percent
  • Loss of appetite -- up to 27.8 percent.
     
Care must be taken when interpreting this data, however. For instance, it is not accurate to say that Infanrix alone caused fussiness or irritability in 61.5 percent of children, since it was given with other childhood vaccines at the same time. The other vaccines likely contributed somewhat to the side effects reported.
 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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