Aww, vomiting can be tricky talaga! It could be marami things, sometimes it's overfeeding, sometimes ang bata ay sensitive sa formula or certain foods, or it could be something like reflux na kailangan i-check. Best talaga na i-bring up sa pedia mo specifically kung paano ka nag-feed (like kung gaano kalaki per feeding, or kung may pattern ang pagsusuka), kasi sila ang makaka-assess kung normal lang or may underlying issue na kailangan addressing.