Imbalance of foremilk/hindmilk ( oversupply ??)

Has anyone on here had an imbalance of foremilk and hindmilk ? If so , how did you fix it.

Long story short - I have a little bit of an oversupply ( mainly in one breast ) . We have been dealing with a milk allergy with my son . I cut out dairy and The symptoms we were seeing ( green mucus stools : blood ) went away for about 2 weeks then returned . Ive been racking my brain about what changed and the only thing I could attribute was using Haakaa less ( pulling off more of the foremilk ) .

Apparently an imbalance of the two miks can cause an build up of lactose in the gi tract and then the symptoms we are seeing . ( symptoms : green poo; blood in stool ; explosives gas ; hungry more often bc foremilk is less dense )

I’m just looking for support here . I really feel like quitting breastfeeding. The green stool with small specs of blood make me feel like I’m hurting my child .