The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
The following side effects occurred in at least 25% of people who received [[EDITOR|DRUG_DISPLAY_NAME]]:
- Pain at injection site
- Redness at injection site
- Swelling at injection site
- Fever
- Drowsiness
- Irritability
- Loss of appetite
Less Common Side Effects
- Diarrhea
- Vomiting
- Restlessness
- Trouble sleeping
- Rash
Pediarix serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reaction: rash, nausea, dizziness, shortness of breath, chest pain, swelling of lips, tongue, throat, or face
Source: DailyMed
The following Pediarix side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Feeling faint or lightheaded
- High fever
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

