What other side effects are associated with the Hepatitis B vaccine

Most persons who receive hepatitis B vaccine have no side effects at all. Of persons who do experience side effects the most common include pain at the injection site (3-29% of persons vaccinated), and mild fever (1%-6% of persons vaccinated).

As with any medication or vaccine, there is a very small risk that serious problems, even death could occur from someone having a serious allergic reaction.