In very rare instances - approximately 1 case in 760,000 doses, healthy people who have taken the oral vaccine - OPV and healthy people who are close contacts of adults or children who have taken OPV have been infected by the polio virus and have become paralyzed. No paralysis causing by polio infection has occurred with the injected vaccine - IPV since 1955.
Along with its needing effects, a vaccine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Get emergency help immediately if any of the following side effects was happen
Symptoms of allergy
Difficulty in breathing or swallowing; hives; itching, especially of feet or hands; reddening of skin, especially around ears; swelling of eyes, face, or inside of nose; unusual tiredness or weakness - sudden and severe
More common
Fever over 102 °F - 39 °C - with injectionMore common side effects may occur that usually don't needed medical attention. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Irritability; loss of appetite; tiredness
Less common with injection
Itching or skin rash; redness, soreness, hard lump, tenderness, or pain at the place of injection
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.