Spoiled milk????????????????!

i usually drink a glass of milk every other night or so!. well i was pouring some milk in my bottle and noticed it was very lumpy!. it smelled okay, so i drank a sip or so!. i wasnt that thirsty and put the milk under my bed!. it stayed there for three days, and it looked about the same, so i put it in the fridge this morning!. i drank the rest of it a few hours back!. then i noticed my stomach making weird noises!. then later i have a stomach ache!. im guessing the milk was bad, but is it dangerous to my health!?Www@FoodAQ@Com

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