Does Men ACWY vaccine have any side-effects?
Like all vaccines, the Men ACWY vaccine can cause side effects, but they are generally mild and soon settle down.
The most common side effects seen in teenagers and young people are redness, hardening and itching at the injection site, fever, headache, nausea and fatigue. These symptoms should last no more than 24 hours. Sometimes, a small, painless lump develops, but this usually disappears in a few weeks.