Hello Yes, mild pain can occur, especially with injectable vaccines, but: Most babies handle the 6-month vaccines better than the 6, 10, and 14-week ones They are now older, stronger, and often cry less Fever, swelling, and pain (if any) are usually milder and short-lived

As a pediatrician, I understand your concerns about your son’s 6-month vaccination. In my experience, the pain at the injection site is usually similar to what he experienced with the previous 6, 10, and 14-week vaccinations, especially for the DTaP vaccine. Some babies may be a little fussy and experience mild swelling, tenderness, or redness at the injection site, but these symptoms are generally short-lived. Every child’s reaction can vary, but most babies tolerate these vaccines quite well and any discomfort typically resolves within a few days. Personally, I find that distraction, cuddling, and comfort feeding right after the shot can really help soothe your baby

Most kids tolerate vaccine pain easily. There's no need to worry too much or analyze it deeply.

No not painful