Hepatitis B is a virus that causes liver injury and inflammation, which may lead to cirrhosis, liver cancer or death. It is transmitted through childbirth, sex, or blood and body fluids. Immunization against Hepatitis B may help to offer protection against the disease. According to the Centers for Disease Control (CDC), the first dose is recommended at birth with completion of the vaccine series by 6 to 18 months of age. There are some side effects to this vaccine.
Injection Site Complications
You may experience pain, swelling or redness at the injection site, reports Drugs.com. These side effects should diminish after a few days. An ice pack may help alleviate swelling. Acetaminophen and ibuprofen can help to relieve pain of the effected arm.
Fever
According to the CDC, a temperature of 99.9 F or higher (occurs in about one person in 15) is a common side effect following vaccination. You may treat your fever with acetaminophen or ibuprofen.
Allergic Reaction
In rare cases, there can be a severe allergic reaction to the ingredients in the Hepatitis B vaccine. Symptoms can include hives, rash, difficulty breathing, or swelling of the mouth, face, lips, or tongue, reports Drugs.com. Seek immediate medical attention if you experience any of these effects.
Headache and Dizziness
You may experience headache and dizziness following vaccination. You may want to use caution while driving or operating machinery until you know how this vaccine may affect you.
Fatigue and Weakness
Fatigue and weakness are possible side effects of the Hepatitis B vaccine. You may just feel more tired, or sleepy than usual.



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