Pain, swelling, or redness at the injection site may occur. Headache, tiredness, body aches, nausea, diarrhea, fever, chills, vomiting, or sore/swollen joints may also occur. Acetaminophen or ibuprofen (non-aspirin) may be used to reduce soreness. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Infrequently, temporary symptoms such as fainting/dizziness/lightheadedness, vision changes, numbness/tingling, or seizure-like movements have happened after vaccine injections. Tell your health care provider right away if you have any of these symptoms soon after receiving an injection. Sitting or lying down may relieve symptoms.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including: high fever (higher than 104 degrees F/40 degrees C), muscle weakness, difficulty breathing.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Contact your doctor for medical advice about side effects. The following numbers do not provide medical advice, but in the US, you may report side effects to the Vaccine Adverse Event Reporting System (VAERS) at 1-800-822-7967. In Canada, you may report side effects to Health Canada at 1-866-234-2345.