In addition, avoid the ancillary foods that can be even worse than the fast-food entrée itself. Sodas, french fries, other fried sides and even salad dressings can all contain tons of fat, sugar and ultimately calories Caffeine can be a stomach irritant, causing discomfort in the abdominal area which can, in turn, complicate early recovery after bariatric surgery. Caffeinated food and drinks can cause weight regain. Can you fly after gastric sleeve surgery? There is no reason why you should not fly as normal with a gastric sleeve. We do not recommend that sleeve patients fly short haul (e.g. Europe) within 7 days of their surgery and that they wait 21 days before flying medium to long haul. You'll eat a soft diet between weeks three and four after surgery. During this phase, you'll continue to prioritize protein, but you'll be able to get the nutrient from foods including scrambled eggs, hummus, and tuna/chicken salad with low fat mayo. Pizza and pasta are normally favorites, but after bariatric surgery, they should be consumed in moderation. If you are having pizza, order a thin crust and add veggies and lean meats, such as chicken or Canadian bacon. Overall, you should choose a menu item that is centered on protein, like grilled chicken or seafood