Foods not to eat after Bariatric Surgery | Phoenix Health (2024)

Eight foods to avoid after bariatric surgery

I’m worried that some foods will have to be omitted from my life for good after weight loss surgery…true? Are there foods to avoid after bariatric surgery?

It’s important to avoid certain foods on a post-bariatric surgery diet to get the appropriate amount of nutrition and to lose weight.

After you go home from the hospital, you will be instructed to follow a diet after having surgery; this can be quite different from a pre-surgery diet. Usually this is in 3-4 stages starting with Fluids, through to Puréed then Soft Foods, and finally what I call ‘Food for Life’. During the first few months of recovery from your surgery you will work your way up from consuming liquids to solid foods, rather like a baby weaning.

Some bariatric surgery patients make the mistake of thinking that once they are free to eat solid food they can have whatever they like. Others think that some foods are off the agenda for life and that they will be perusing the baby food aisle forever. Both beliefs are wrong – most patients will be able to tolerate most foods but are not always encouraged to do so. Here are eight foods to avoid after bariatric surgery:

1) Food with Empty Calories

Since your stomach is about the size of an egg after bariatric surgery, it will need to get enough daily nutrition by you making wise diet choices. A bariatric surgery diet means avoiding foods that provide little or no nutritional value. This includes pastries, sweets, chips, pretzels, rice cakes, and popcorn. If you eat these foods, you may end up undernourished or gaining back your weight. Foods loaded with sugar or that are fried can lead to a condition called “dumping syndrome,” in which these foods are dumped in the colon quickly after you eat them. Dumping syndrome causes weakness, cold sweats, nausea, and possibly vomiting and diarrhoea.

2) Alcohol

Booze is high in calories, and it won’t be recommended as part of your post-bariatric surgery diet. Like any liquid, alcoholic beverages take up precious space in your stomach that needs to go to foods packed with vitamins and minerals during a post-surgery diet. In addition, alcohol absorption increases dramatically after surgery, which can lead to intoxication.

Patients are usually directed to drink two litres (or eight glasses) of water (or beverages) without caffeine or sugar every day. It’s important to remember not to drink beverages with food for 30 minutes before or after a meal. This practice, essential to any weight loss surgery diet, will help you feel full and will save space in your pouch for nutrients.

3) Dry Foods

Because you aren’t drinking liquids while you eat, you may want to avoid dry foods, at least in the beginning of the final phase of your bariatric surgery diet. Foods like nuts or granola may be difficult to swallow. You can have regular cereal, but make sure it is softened by low-fat milk. Try very small pieces of these foods to see if you can tolerate them as part of your bariatric surgery diet. If not, don’t become discouraged. As your body further heals, you may be able to eat these foods later during your post-bariatric surgery diet.

4) Bread, Rice, and Pasta

Because of the starchy nature of bread, rice, and pasta, after your surgery, they can form a paste in your throat that is hard to swallow without liquid. In some cases, they can block the stoma, the hole to the pouch that is your new stomach. You don’t have to completely reject these high-starch foods, but it’s best to avoid them in the beginning. When you do eat them, try to have very small portions and make sure that you only eat small bites of each.

5) Fibrous Fruits and Vegetables

You should be eating lots of nutritious fruits and vegetables as part of your diet, but avoid hard-to-digest, fibrous vegetables. Celery, corn, broccoli, cabbage, and asparagus are foods to definitely avoid in the early days. Over time, you may be able to tolerate these foods, but in the short term, eat cooked, soft vegetables with no skin. Beans and peas are a good option because they will also provide the extra protein that you will need to maintain proper nutrition on your post-surgery diet.

6) High-Fat Food

Eating fatty foods after surgery may make you nauseous and they aren’t good for long-term success at weight loss. Skip the bacon, sausage, butter, whole milk, and hard cheeses and choose lower-fat options instead. Select low-fat sandwich meats, lean beef, chicken, turkey, and low-fat cheeses. Eating too much fat on your diet can make you feel sick and may result in dumping syndrome.

7) Sugary and Highly Caffeinated Drinks

Any drink with sugar, corn syrup, or fructose is something to avoid post-gastric bypass. Drinking sugary drinks like soda and some fruit juices while on your diet can lead to dumping syndrome. Instead, choose water, unsweetened packaged drinks, decaffeinated coffee, and tea. Caffeine leads to dehydration, so as you are getting used to your smaller stomach, avoid it.

8) Tough Meats

One of the habits bariatric patients must learn while on a post-surgery diet is to chew their food really well. The more you chew, the easier it is to swallow and digest your food. Chewing is particularly important when you are eating meat on a bariatric diet. Lean meats are an essential part of a diet plan because getting enough protein is very important. While you are getting used to chewing more, choose meats without fat or gristle. Start with bites that are the size of a pencil eraser. Avoid steak, pork chops, hot dogs and ham. Instead, choose minced chicken or turkey, baked chicken or fish.

Do remember that this will be a learning curve and that your food experiences will not be the same as another patient – even if they had the same surgery at the same time as yourself. What you can tolerate will not be the same as another individual. Both, however, should be able to find an enjoyable regime that leads to sustained weight-loss and a good relationship with food for the years ahead.

Interested in bariatric surgery? Contact our team today using the form below to help you start your weight loss journey.

Foods not to eat after Bariatric Surgery | Phoenix Health (2024)

FAQs

Foods not to eat after Bariatric Surgery | Phoenix Health? ›

Avoid rice, bread, raw vegetables, fresh fruits, and meats that aren't easy to chew, such as pork and steak. Ground meats may be easier to tolerate. Eat balanced meals with small portions. In the initial period after surgery, you may only be able to tolerate one to two tablespoons of food at a time.

What foods cannot be eaten after bariatric surgery? ›

Foods that can cause problems at this stage include:
  • Breads.
  • Carbonated drinks.
  • Raw vegetables.
  • Cooked fibrous vegetables, such as celery, broccoli, corn or cabbage.
  • Tough meats or meats with gristle.
  • Red meat.
  • Fried foods.
  • Highly seasoned or spicy foods.

What is not recommended after bariatric surgery? ›

Avoid rice, bread, raw vegetables, fresh fruits, and meats that aren't easy to chew, such as pork and steak. Ground meats may be easier to tolerate. Eat balanced meals with small portions. In the initial period after surgery, you may only be able to tolerate one to two tablespoons of food at a time.

Which of the following should be avoided after bariatric surgery? ›

Avoid sugar, sugar-containing foods and beverages, concentrated sweets and fruit juices. For the first two months following surgery, your calorie intake should be between 300 and 600 calories a day, with a focus on thin and thicker liquids. Daily caloric intake should not exceed 1,000 calories.

What foods make you dump after gastric bypass? ›

Foods that are high in sugar are likely to cause dumping syndrome. This is because high amounts of sugar draw more water into the small intestine and can move gastric contents faster. High fat foods can also cause dumping syndrome in some people.

Why can't you eat salad after bariatric surgery? ›

Immediately after gastric sleeve surgery, your stomach requires time to heal and adapt to its new size. During the initial weeks, a liquids-only diet is recommended. Salads, with their raw fruits and vegetables, don't typically fit into the first three phases of the post-surgery diet.

Can you eat scrambled eggs after bariatric surgery? ›

The general rule is that immediately after surgery, you should have 2 weeks of liquids followed by 2 weeks of soft/pureed food before returning to solids. Liquids can include meal replacement shakes or soups and purees must include very soft foods such as overcooked veg, runny scrambled eggs or semolina.

Can you ever eat normally after gastric bypass? ›

It may be three months after surgery before you can go back to eating “regular” foods. The goal of your gastric bypass diet is to help you ease back into your typical foods. The first few days after surgery, you should only drink clear liquids.

Why no bread after gastric bypass? ›

Because of the starchy nature of bread, rice, and pasta, after your surgery, they can form a paste in your throat that is hard to swallow without liquid. In some cases, they can block the stoma, the hole to the pouch that is your new stomach.

Are bananas good after bariatric surgery? ›

Bariatric Surgery patients are able to incorporate bananas and other fruits back into their diet at five to six weeks after surgery, as the stomach needs to slowly regain the strength to digest fibrous foods.

Which drink is not recommended after bariatric surgery? ›

Beverages to Avoid After Bariatric Surgery

Caffeine for at least 3 months after surgery. Carbonated beverages for at least 3 months after surgery. Alcoholic drinks for at least 6 months after surgery.

What is the most common deficiency after bariatric surgery? ›

Deficiencies of vitamin B12 and iron are perhaps the most commonly observed, but shortfalls of the fat-soluble vitamins can also occur. Keep in mind, too, that these patients are more likely to have marginal levels or deficits of multiple nutrients rather than a single deficiency.

What happens if you don't get enough protein after bariatric surgery? ›

Without an adequate amount of proteins in the diet, the body can begin to show signs of a deficit. Increased Hunger: Cravings and poor food choices can be accelerated with irregular eating patterns and skipping meals. Unlike carbohydrates which provide the body with quick energy, proteins take longer to digest.

Is there anything you can never eat again after bariatric surgery? ›

But what can you not eat after gastric bypass? Firstly, avoid foods that are high in sugar or fat. This could include bread, pasta, pizza, and cookies. And avoid carbs or excess sodium while you're still healing, for several weeks.

What is one of the top 3 causes of death after bariatric surgery? ›

This study reported on 33 deaths from 4431 operations (0.7% mortality) and reported that 30% of the deaths were due to pulmonary embolism, 27% due to cardiac causes, and 21% due to anastomotic leak.

Can you eat ice cream after bariatric surgery? ›

Eat nutrient-dense foods such as vegetables, whole grains, fruits, and lean meats. Do not eat calorie-dense foods such as chips, cookies, crackers, ice cream, fried food, candy, hot dogs, brats, and bologna.

What foods should I avoid after bypass surgery? ›

Examples of foods you should try to avoid include:
  • meat pies.
  • sausages and fatty cuts of meat.
  • butter, lard and ghee (a type of butter often used in Indian cooking)
  • cream.
  • cakes and biscuits.

Why can't I have fruit after bariatric surgery? ›

As consumers, we are told over and over that fruit is healthy, however, if you've had weight loss surgery and your stomach is smaller, you'll want to choose your food wisely -- focusing on protein and limiting carbs. Although fruits are packed with vitamins, they can also be high in carbs.

Can I eat pasta after bariatric surgery? ›

The first few weeks post-surgery are about nurturing your body with the simplest of foods, and gradually, as your body adapts, pasta can be reintroduced.

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