Ay, mama, that's concerning! Please bring her to the doctor or pedia agad, okay? Even if it just appeared, better safe na mag-check kayo ngayon para ma-rule out kung anong yan. A few of us moms panicked din with sudden rashes or marks on our babies, and honestly ang best move talaga is to get it checked right away, the doc can tell in seconds kung normal lang or something that needs attention. Don't worry too much, pero go na po!
Mommy, if it's a rash or something unusual on baby's skin na parang biglang lumabas, please have her checked by her pediatrician agad, it's better to be safe with babies, lalo na at 4 months pa lang siya. A few of us moms have rushed to the clinic for similar concerns, at sobrang peace of mind na makita agad ng doctor kung okay lang or kung kailangan ng treatment. Don't worry too much, but let's get her checked ASAP, okay?