Anesthesia and surgery itself may cause nausea. It’s important to remember that this is one of the “normal” side effects of having weight loss surgery. However, we all know there are many things that can contribute to nausea and/or vomiting.
Remember t o eat slowly to reduce nausea and/or vomiting following weight loss surgery (WLS). Some surgeons recommend trying to take 30 minutes to eat your meal. However, we all know this all depends on what you’re eating and how far you’re out from your surgery. Some patients may even eat with baby silverware to slow down their pace of eating and remind them to eat slower.
Proper chewing helps you slow down when eating. Some programs recommend chewing each bite of food 30 times or to an applesauce consistency. Slowing down when eating helps for two reasons: 1) helps the brain realize how full the stomach is, preventing overeating and 2) helps prevent food from getting stuck.
Please remember that you have to re-learn what works for you and which foods are well tolerated and when they’ll be tolerated after bariatric surgery (and that each day may be different).
Almost every post-op WLS patient can share an experience when just one bite too much caused him or her to get sick. You have to re-learn not only what foods you can eat, but how much. Keep in mind if you can eat 4 bites of Greek yogurt, this does not necessarily mean you can eat 4 bites of grilled chicken breast. The more solid/dense a protein (chicken breast for example) is, it’s likely you won’t be able to eat as much as the softer proteins (Greek yogurt for example) before feeling full.
As mentioned above, chewing will help to ensure that food doesn’t get stuck, because this can be a common cause of vomiting. Simple physics – if a food is not going down, it has to go somewhere, so it’s going to come back up most likely. Not only is your stomach smaller, but for most patients the esophagus feels tighter too. This makes chewing so much more important than it was prior to surgery. You have to be kind and gentle to your “new baby stomach.”
Not only does lying down too quickly following a meal increase your chances of heartburn (acid reflux), but it may also increase your risk of nausea and/or vomiting. You should wait 30-60 minutes after eating to lie down.
Certainly it’s important to stay well-hydrated following WLS, but some patients report vomiting if they drink too closely following a meal as that will make them feel too full and may make them vomit. Some programs recommend waiting 30-60 minutes after eating to drink fluids. Another concern with drinking fluids is the amount and the pace. Just as eating too fast may induce vomiting, drinking fluids too fast or too much may do the same thing. Remember to drink slowly and try to get used to your new feeling of fullness.
Most programs have diet stages that they recommend you follow after your WLS. These stages will vary from program to program, but in general may go from liquids to pureed (applesauce consistency), to soft, and finally regular. These diet stages are important because it allows your stomach to heal properly and also helps reduce the nausea and vomiting that may be common following weight loss surgery. If you eat a food too soon and aren’t following your surgeon’s plan, you may find yourself getting sick or increasing your risk of surgical complications.
Some patients have no problems taking vitamins, but there’s a subset of patients that must take their vitamins with food to reduce the nausea that vitamins and/or minerals may cause. Every person responds differently to this and you have to determine what works for you. With this said though, keep in mind, immediately following WLS you may not be eating enough to counteract the nausea. Or you may feel full just from taking your chewable vitamins and aren’t able to combine them with your meal.
Most patients do fine starting on chewable vitamins, however, there is a small percentage that don’t tolerate chewable vitamins immediately following WLS. If you find that you’re one of these patients, you may want to try liquid vitamins (such as our Celebrate Essential Multi 3 in 1 or Celebrate Essential Multi 4 in 1 + Protein). By taking a liquid vitamin you’re taking this vitamin over a period of 15-30 minutes and lowering the dose that’s hitting the bloodstream immediately, thereby reducing the risk of nausea.
Gastric bypass patients may experience dumping syndrome and eating foods or meals high in sugar or fat is what may cause the dumping syndrome. Is your nausea or vomiting combined with an increase in heart rate? Do you have any abdominal pain or cramps? Do you feel dizzy or light-headed? Do you have any diarrhea? These are some of the common symptoms associated with dumping syndrome, however, patients may respond differently to dumping syndrome. One way to avoid dumping syndrome is to work to keep fat less than 10 grams per serving and sugar less than 10 grams per serving. There are even some patients that have had to lower those numbers to less than 5 or 6 grams per serving. So, keep in mind that not all patients are the same and you have to figure out what works for you.
It’s theorized by some that ginger may reduce nausea. Some patients swear by it, so it may be worth mentioning. The research on ginger produces mixed results. Please talk to your doctor before starting any new supplements as there may be interactions with other medications or it may not be safe for you to take certain supplements. Also, keep in mind, as with anything, more is not always better. Most importantly, talk to your physician.
Some patients may develop an ulcer at the new connection between the stomach and small intestine (gastric bypass or biliopancreatic diversion with duodenal switch) and this may cause nausea and/or vomiting. Smoking, taking aspirin, ibuprofen, and H. Pylori (a bacteria in the stomach) may increase your risk of ulcers.
Another cause of nausea and/or vomiting following gastric bypass may be a stricture. A stricture is when the new connection between the stomach and small intestine heal and scar tissue forms making the opening of this new connection smaller than your surgeon intended.
Another cause of nausea and vomiting is an intestinal obstruction. Any abdominal surgery may result in scarring in the abdominal cavity, called adhesions. The small intestine can become twisted from the adhesion and cause a blockage (or obstruction), but this is rare. This can occur even years after surgery. The latter are all something that would need to be diagnosed by your surgeon. Most surgeons tell their patients to call the office if they are nauseous and/or vomiting a certain amount of times per day or for a certain number of days. The best recommendation is to talk to your surgeon if you have any concerns or are not feeling well.
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