Polio is an infection caused by a virus that can lead to permanent paralysis.
Children usually get the inactivated poliovirus vaccine (IPV) at ages 2 months, 4 months, 6–18 months, and 4–6 years.
Sometimes IPV is given in a combination vaccine along with other vaccines. In this case, a child might receive a fifth dose of IPV. This is safe.
The oral poliovirus vaccine (OPV) is a weakened live vaccine that is still used in many parts of the world, but hasn't been used in the United States since 2000. Using IPV eliminates the small risk of developing polio after receiving the live oral polio vaccine.
OPV doses given before April 2016 can count toward a child's U.S. polio vaccination requirements. Doses given after that will not count.
The vaccine offers protection against polio, which can cause paralysis and death.
Side effects include fever and redness or soreness at the injection site. There is a very small chance of an allergic reaction with any vaccine.
The IPV vaccine contains a killed (inactivated) virus, so it cannot cause polio.
The vaccine is not recommended if your child:
IPV may cause mild fever, and soreness and redness where the shot was given for several days. Check with your doctor to see if you can give either acetaminophen or ibuprofen for pain or fever and to find out the right dose.
Call the doctor if:
Vaccines keep millions of people healthy each year by preparing the body to fight illness. Learn how vaccines help and get answers to your biggest questions about vaccines.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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