After the second vaccination of hepatitis B, most people have no adverse reactions, but may also have local and systemic adverse reactions.
1. No adverse reaction: most of the vaccinated people can not have any adverse reaction after vaccination, without obvious discomfort.
2. Local reactions: mainly localized at the vaccination site, swelling, itching, pain and other manifestations can occur, but the general degree is relatively mild, and can be relieved within 3~5 days.
3. Systemic reactions: common including abdominal pain and diarrhea, nausea and vomiting, muscle pain, fatigue, dizziness, etc., attention to rest can be relieved, some of the more serious people can be respiratory failure and other manifestations, such as adverse reactions continue to aggravate or more serious allergic reactions need to consult a doctor in a timely manner.