Yes, I was sleeved on 1/17 and I'm having the exact same issue! I had it a couple of times last week, but for the last couple of days it's been worse, and also waking me up at night. I'm still on full liquids, so it's hard to avoid the protein shakes, but it's like all of a sudden I'm just not tolerating them. Can't wait to move to the next phase and get more variety. I hope that will help. My doc already upped my omeprazole to twice daily but that did not seem to help.