Six week old milk allergy?

Nichole
My dd spits up frequently. It doesn't bother her and she's gained almost four pounds since birth. She's far from colicky and sleeps well. My oldest NEVER spit up so I don't know what amount is considered normal. They were/are ebf. I brought up the fact that she has been spitting up and her pedi just automatically said to cut all dairy out. Did any of your babies spit up regularly and it was just normal? No rashes, colic, excessive gas just a "happy spitter"? I have a hard enough time getting my four year old to eat. If I cut out all dairy she might not eat at all.