SIDE EFFECTS: Most common is pain, redness or swelling at the injection site that may last 1-3 days. Irritability, change in appetite, fever, headache, unusual fatigue, muscle pain, crying, drowsiness, difficulty sleeping, diarrhea, or vomiting may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Tell your doctor immediately if any of these serious side effects occur: fainting. Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: numbness and tingling of hands or feet, seizures. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: a history of an allergic reaction to a previous dose of this vaccine. Before using this medication, tell your doctor or pharmacist your medical history, especially of: your vaccination/immunization history, recent illness or fever, blood disorders (e.g., bleeding problems, low platelets), immune system disorders (e.g., due to cancer treatment, organ transplant, HIV), any allergies. This medication is not recommended for use in infants less than 2 months of age. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: steroids (e.g., prednisone), anticancer medicines, immunosuppressants (e.g., cyclosporine, tacrolimus). Do not start or stop any medicine without doctor or pharmacist approval.

Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.