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A 22-year-old male asked:

I i took hepatitis b vaccine the first shot subcutaneously , but my friend told me that it should be given intramuscularly ,what should i do now ?

1 doctor answer1 doctor weighed in
Dr. Silviu Pasniciuc
Internal Medicine 28 years experience
Complete the course: Complete the series over 6 months. Check an antibody titer at the end of the series. You may need another shot in case your antibody titer is not in a protective range.
Last updated Mar 12, 2020

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