Infants may not have a noticeable reaction to the Hepatitis B vaccine, or they may experience a variety of conditions such as fever, hard lumps, and pain.
Every infant is different, so the symptoms that show up after the Hepatitis B vaccine are different. Some infants may have no obvious discomfort after the hepatitis B vaccine. However, some infants may have adverse reactions, such as symptoms of fever, which usually rarely exceeds 38℃, and some infants may have various conditions such as localized hard nodules, redness, swelling and pain.
After the hepatitis B vaccine, you need to observe your baby’s physical condition, you can give your baby some warm water to promote metabolism, you also need to observe your baby’s physical condition, if there is any abnormality, it is best to take your baby to the doctor for examination and treatment.