Allergic reaction

Hei guys ada sesiapa berpengalaman intro egg to the baby? My baby 7 month today im scared if he get reaction to it. On his 6 month i intro ikan merah then kena hantar emergency because he got hive all over his body, since he had mild ezcema and got aefi every vaccine he take, the doc prescribe steroid but it getting worse. So i bought natural product it called renewal from 4life shop. Phew it kinda expensive but it work!#firstbaby