Havrix Side Effects

After receiving an injection of Havrix, it is common for a child to be fussy. If the child cannot be consoled, however, and continues crying for three hours, seek immediate medical attention. Other possible side effects of Havrix include headaches, fever, and loss of appetite. These are usually mild and easily treated, but should still be reported to your healthcare provider.

An Introduction to Havrix Side Effects

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

Common Side Effects of Havrix

Havrix has been studied thoroughly in clinical trials. In these studies, any possible side effects were carefully documented.
 
Based on the information from these studies, the most common Havrix side effects included:
 
  • Soreness at the injection site -- in up to 56 percent of adults and 21 percent of children
  • Headaches -- in up to 14 percent of adults and less than 9 percent of children.
     
Other common reactions (occurring in 1 to 10 percent of people) included:
 
  • Injection site reactions, such as redness, a lump, a bruise, or swelling
  • Loss of appetite, nausea, abdominal pain (stomach pain), diarrhea, or vomiting
  • Fever
  • A general ill feeling
  • Sore throat
  • Upper respiratory tract infection (such as the common cold)
  • Swollen lymph nodes
  • Insomnia
  • Taste changes
  • Stiff muscles
  • Sensitivity to light
  • A spinning sensation (vertigo)
  • Itching or a rash
  • Joint pain or muscle pain.
     
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Havrix Vaccine Information

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