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The Curious Bag
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Bariatric surgery, also known as gastric bypass or weight-loss surgery, helps obese people who have been unable to lose weight in other ways. After surgery, several special dietary considerations must be observed.
Fasting
In order to promote healing, a person who has just undergone bariatric surgery cannot eat for 1 to 3 days after the operation, according to Medline Plus.
Liquid Food
A special diet featuring only liquid and pureed foods is allowed after 1 to 3 days. The Mayo Clinic reports that this is continued for 12 weeks.
Features
People who have had gastric bypass slowly build up to eating regular, solid foods, according to the Mayo Clinic. A doctor can provide more specific guidelines for an individual patient.
Size
Only very small amounts of food can be eaten after gastric bypass as the stomach slowly increases to its eventual new size, according to the Mayo Clinic.
Considerations
Failure to stick to post-surgery diet guidelines can lead to vomiting and pain and may contribute to the failure of surgery, according to the Mayo Clinic and Medline Plus.
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