What Are Some Side Effects of the Pneumococcal Conjugate Vaccine?


Quick Answer

Side effects of the pneumococcal conjugate vaccine, also called PCV13, in children include temporary loss of appetite, drowsiness, swelling at the vaccination site, fever and irritability, according to the Centers for Disease Control and Prevention. Adults receiving the vaccination report muscle pain, headache, fatigue, mild fever, and pain and redness at the injection site. These side effects are mild and disappear on their own.

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Full Answer

An increased risk of seizures caused by fever may occur in young children who receive PCV13 and inactivated flu vaccines at the same time, states the CDC. Another side effect, which can occur after any vaccine, is fainting. A patient should inform his doctor if he experiences dizziness, ringing in the ears or changes in his vision after receiving any vaccine. Rarely, older children and adults experience severe shoulder pain and difficulty moving the arm where they received the shot. Severe allergic reaction is possible, but quite rare, occurring in one in 1 million doses, estimates the CDC.

Signs of a serious allergic reaction to PCV13 or any vaccine occur within a few minutes to a few hours of receiving the vaccine, states the CDC. Symptoms of a severe allergic reaction include difficulty breathing, swelling of the throat and face, hives, increased heart rate and dizziness or weakness.

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