Because of a small risk of intussusception, parents should be aware of the symptoms and signs of intussusception and that they may appear six to eight days after an infant’s first dose of rotavirus vaccine.
Vaccine Side Effects
Although vaccines have rarely been thought to cause Acute Disseminated Encephalomyelitis historically, it is very important to keep in mind that the overwhelming majority of cases of ADEM are caused by natural infections, many of which are vaccine preventable.
While most kids don’t have any reactions at all after their DTaP vaccines, those that do typically have mild reactions, including some fever, soreness, or swelling at the injection site.
The CDC advises that “all significant adverse events that occur after vaccination of adults and children, even if you are not sure whether the vaccine caused the adverse event.”