Second dose when they are 4 months old. Third dose when they are 6 to 18 months old. Last dose when they are 4 to 6 years old. Vaccines carry a small risk of serious harm, such as a severe allergic reaction. IPV can't cause polio because it does not contain the live polio virus.
Most people have no problems.
If your child has any reaction after getting the polio vaccine, call your doctor as soon as possible. Be sure to tell the doctors caring for your child the day and time your child received the vaccine. U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, 1997. This handout provides a general overview on this topic and may not apply to everyone. To find out if this handout applies to you and to get more information on this subject, talk to your family doctor.