Baby allergy?

Hello mga mommies Ano po kaya ito parang butlig na bigla nlng tumubo sa head ni baby hndi nmn po siya nilalaganat;sa init ba kaya ito?#pleasehelp #FTM need advice #pleasehelp #FTM #pleasehelp #advicepls #firstbaby at #firstbaby #PleaseAdvice #PleaseAdvice #PleaseAdvice #PleaseAdvice #PleaseAdvice #PleaseAdvice #PleaseAdvice #firstbaby #PleaseAdvice #firstbaby #PleaseAdvice #PleaseAdvice #firstbaby #PleaseAdvice #firstbaby #firstbaby