Aw, nakakamadala yan mama! So a few of us mums experienced the same thing, and honestly it can be a mix, sometimes overfed, sometimes just reflux, or yung pinagkain lang nila ay hindi gaano agree sa kanila depending on the formula. Since your LO is still very young at almost 2 months pa lang, mas better na confirm with the pedia after the holidays para ma-rule out kung may reflux or if kailangan lang i-adjust ang feeding amount, kasi bawat baby talaga ang timing at capacity. In the meantime, try feeding smaller amounts but more frequent, and keep baby upright after feeding for a bit longer than usual, yan ang dine-recommend samin ng aming doctor dati. Good call na nag-plan ng pedia visit, mama, kaya mo yan!