Baby spitting up after every feed

My boy will be 10 weeks on Saturday and he is very restless while breastfeeding.. this is happening for 2-3 days now. He used to sleep on breast very peacefully after feeding before. He used to feed for longer time too. Now he is scratching the breast and pulling the nipple few minutes into feeding and then when I remove him to burp he spits up so much !! Help me please what do I do? I tried leaning back if flow is too high. He regular on his probiotics and gripe water

Edit : Forgot to mention milk dripping from nose and he is smacking his lower lip