백신 맞은후 몸이 간지러운데 백신 부작용? (면역반응)일 수도 있을까요?

Yep, you didn’t know?
NSAIDS (Ibuprofen and other widely used non-steroidal anti-inflammatory drugs inhibit antibody production in human cells)
https://pubmed.ncbi.nlm.nih.gov/19345936/