The foamies. NOBODY warned me about the foamies. What causes it and how do you avoid it?

Sleeved in January, cruising along nicely on normal textures, feeling like a graduate. Then last night happened.

Plain chicken breast, home cooked, nothing exotic. Three bites in, chatting away to my other half, and suddenly there's this PRESSURE behind my breastbone, then hiccups, then my mouth flooded with saliva out of nowhere, and I spent the next twenty minutes over the sink bringing up... foam. Just foam, like a badly made cappuccino, wave after wave, with the offending bite of chicken making its return appearance at the end. Not sick exactly, no proper vomiting, and within the hour I was completely fine, which was almost the strangest part.

My other half wanted to drive me to hospital. I wanted to know what on EARTH that was. Googling got me some US forums calling it "the foamies" and then a wall of articles about dumping syndrome, which this was not, no sweating, no racing heart, I've read the site's dumping guide twice. So, sleeve veterans: what actually is this? Why chicken? Is it dangerous? And is there a warning sign before it kicks off, because I would very much like to not do that at a restaurant.

traceyvsg said:

like a badly made cappuccino, wave after wave

Ah, you've been initiated. Two years in and I know the foamies extremely well, and the good news is they're very trainable.

My triggers, in order of criminal record: dry chicken breast, doughy bread, rice, and above ALL of them, eating too fast while distracted. Notice your crime scene: three bites in, mid-conversation. That's the classic. It's almost never the food alone, it's the food arriving faster than the sleeve can deal with it.

The warning signs are real and you'll learn yours. Mine is one big hiccup followed by that sudden watery mouth, and if I stop dead at the hiccup, put everything down and go walk around the kitchen, I'm usually fine. If I push on to "just one more bite", cappuccino time. My rules now: fork goes DOWN between bites, bites no bigger than my thumbnail, nothing dry without a sauce, and meals take twenty minutes minimum even when it's four tablespoons of food. The site's long-term eating guide sums it up as slow, moist, and well chewed and honestly that's the whole religion. I still get caught maybe twice a year, always laughing at a family dinner, never concentrating. It fades as you learn your sleeve's pace, promise.

Fishing club annual dinner, year one. Roast chicken, talking with my hands, you can write the rest. A mate spent twenty minutes convinced I was choking while I stood in the car park producing sea foam like a tide pool.

Confession: I spent months afterwards telling people I'd had "a dumping episode" until my dietitian gently informed me it was a different thing entirely. Rice is my personal nemesis. Swells as it goes down, apparently.

Tracey, you've discovered one of bariatric surgery's worst-kept secrets: everyone in clinic knows the word "foamies" and almost no patient leaflet prints it. Let me give you the mechanism, because once you understand it, Donna's rules stop being folklore and become obvious.

Your sleeve is a narrow tube with very little stretch. When a bite is too big, too dry, insufficiently chewed, or simply arrives before the last one has moved on, it can sit at the top rather than passing through. The body's response to anything lodged in the gullet is hypersalivation: the glands pour out thick, mucus-like saliva to lubricate the blockage. That saliva has nowhere to go, so it comes back up as exactly the foam you described, often finishing with the offending bite itself. It is an oesophageal event, not true vomiting from the stomach, which is why there's no proper retching, why nothing else comes up, and why you felt fine within the hour. A typical episode settles in 20 to 60 minutes once the food passes or returns. Alan's dietitian was right to correct him: dumping syndrome is a different mechanism at the other end of the stomach, food arriving too fast in the intestine, with the sweating, racing heart, and cramps you correctly noticed you didn't have; the site's guide to dumping syndrome and the sleeve covers that one.

Prevention is exactly what Donna practises. Speed is the biggest trigger of all, then bite size and chewing, then the notorious textures: dense dry proteins like chicken breast and steak, doughy bread, rice, pasta. Chew to a paste, pause between bites, keep meals to a leisurely 20 to 30 minutes, moisten everything, and respect the early warnings, that sternal pressure, hiccups or repeated burps, and the sudden rush of saliva all mean stop now, stand up, walk about. Do not try to wash it down with a drink, adding volume above a blockage only makes the next wave bigger. Episodes are commonest in the first year while you learn the sleeve's pace, and they get rare, as Donna says. Two things that would change my advice: foamies happening at most meals, with soft foods or liquids, or clearly worsening over weeks is not normal learning, it can occasionally mean a narrowing in the sleeve that needs looking at, so that pattern goes to your bariatric team promptly. And any episode where you genuinely cannot keep fluids down afterwards is a same-day phone call, not a wait-and-see. The occasional well-explained episode after chicken and chatter, though, is par for this particular course.

Update from the sink-free zone: one week, zero repeats, three near misses stopped at the warning stage. The hiccup-then-watery-mouth thing is EXACTLY my signal too, I've named it the doorbell. Doorbell rings, fork down, lap of the kitchen, crisis averted. Chicken is back on the menu but it arrives drowning in sauce and gets chewed like I'm being marked on it. Thank you all, especially for the mechanism, weirdly it's much easier to eat slowly now I know what the foam actually IS.

Found this thread from the purée stage, where the most dangerous thing I eat is soup, and I have read it twice like it's an exam text. As a man who talks with his hands and eats at bakery speed, I suspect the foamies and I have an appointment in my future. "The doorbell" is going on a card taped inside my kitchen cupboard. Consider me warned, which is more than anyone did for you lot.