Can you over feed a breastfed newborn?

Li

So this might be a stupid question but my son is going through cluster feeding phase right now. (I think)

He's 5 weeks old and he never used to spit up before but now he's spiting up pretty much after each feeding. I know babies spit up and it's normal. But he always seems uncomfortable after he's done nursing, and I assume it's just cuz he needs to burp, but now he just spits up after. Sometimes he'll burp and continue to fuss until he spits up.

And Google is just confusing me.

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