Hello everyone) Girls, the baby is spitting up so much! I don't even k…

Hello everyone) Girls, the baby is spitting up so much! I don't even know what to think anymore! I'm not starving him! I'm not shaking him! I hold him upright and I don't hold him upright! And on his hands and lying down, at home and outside, and immediately and after two hours! He spits up both formula and breast milk! I was blaming myself for underfeeding, started controlling it, changed the formula with pepti allergy to kabrita. The pediatrician advised giving 30ml Nutrilon antireflux before each feeding. The baby is active, not capricious, in moderation fluffy) tell me, has anyone had this? How did you cope? What could it be