The hepatitis B virus is spread through contact with the blood or other body fluids of an infected person, reports the Centers for Disease Control and Prevention. Hepatitis B causes severe damage to the liver, which can lead to cirrhosis, liver cancer and even death. The hepatitis B vaccination is given to provide protection against the liver disease. However, patients should be aware of the risks associated with the hepatitis B vaccination.
Injection Site Reaction
Patients may experience soreness, redness or swelling at the site of injection. These side effects should be temporary and only last for a couple of days. The use of a cold compress or ice pack can help to alleviate swelling or discomfort at the site of injection. Parents should use caution while lifting or changing a child following vaccination so as to not place pressure on the site of injection. A severe injection site reaction should be brought to the attention of a physician.
Fever
According to the CDC, one out of 15 people may experience a temperature of 99 degrees F or higher. Patients should consult their physicians regarding the use of an over-the-counter analgesic such as acetaminophen for the relief of fever. Some pediatricians may recommend giving children's acetaminophen to a child prior to receiving the hepatitis B vaccination. A fever that is not relieved by acetaminophen or is accompanied by irritability, seizures or changes in behavior should be brought to the attention of a physician immediately.
Allergic Reaction
In rare cases, there can be a severe allergic reaction to the ingredients in the hepatitis B vaccine. Anyone with a life-threatening allergy to baker's yeast, or to any other component of the vaccine, should not get a hepatitis B vaccine, reports the CDC. Symptoms of a severe allergic reaction can include hives, a rash and difficulty breathing or swelling of the mouth, face, lips or tongue, reports Drugs.com. Patients should seek immediate medical attention if they experience any of these effects.


