"Painkillers such as acetaminophen and ibuprofen can be used to relieve fever and pain. If you notice any swelling, redness, or itchiness at the injection site, you can try an antihistamine,"
- Dr. Boyce, Verywell Family
https://www.verywellfamily.com/what-are-the-side-effects-of-the-kids-covid-vaccine-5209790