While Hepatitis A vaccine can cause blisters, fever and swollen
glands in the armpit,
neck or groin. Meningitis vaccine can also cause fever, pain, weakness and
swollen glands in armpit, groin. Some side effects which occur usually do not need medical attention. They are self-limiting and can go away on their own. It is difficult to confirm whether it had occurred due to the vaccine or any other cause.