What should I do if it swells after getting the hepatitis B vaccine?

Patient's question:

After getting the third dose of the hepatitis B vaccine, it swelled up on the third day. What's going on? And the area where the vaccine was administered is very itchy.

Doctor's answer:

Based on your description, it is inferred that there is a protrusion at the anesthetized site after you received the hepatitis B vaccine! There is a protrusion and aching sensation at the anesthetized site after receiving the hepatitis B vaccine. This is due to the side effects of the vaccine! It's nothing to worry about, it will improve in a couple of days! Patients face the challenge of hepatitis B, and we should promptly implement the principle of symptomatic treatment. Do not avoid seeking medical attention. If hepatitis B is not cured after prolonged treatment, it is necessary to promptly adjust the treatment plan.

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