How safe is the 3-in-1 booster vaccine?

How safe is the 3-in-1 booster vaccine?

The 3-in-1 teenage booster is a very safe vaccine. As with all vaccines, some people may have minor side effects, such as swelling, redness or tenderness where the injection is given. Sometimes a small painless lump develops, but it usually disappears in a few weeks. The brand name of the 3-in-1 teenage booster vaccine given in the UK is Revaxis®.