What are the Long Term Negative Effects of Gastric Bypass Surgery

Side Effects of Surgery for Gastric Bypass

Gastric bypass surgery is a radical and invasive procedure that should only be done as a last resort weight loss method for people with obesity. It is a popular procedure but the negative short term and long term effects of gastric bypass surgery still need to be accounted for.

It is important for doctors and patients to weigh out the pros and cons of the procedure properly. Patients may also be subjected to pre-surgery psychological evaluation to see if they are ready for the procedure.

Overview on Gastric Bypass Surgery

  • Gastric bypass surgery, otherwise known as gastric bypass procedure, is a number of operations that are done by a surgeon wherein he or she divides a person’s stomach into two: one big and one small.
  • Gastric bypass surgery is a type of bariatric surgery, the others include lap band surgery, and sleeve gastrectomy.
  • Aside from weight loss, gastric bypass surgery is known to treat hypertension, co-morbid conditions, and many more.
  • This procedure is only suggested to patients who have done their fair share of exercise and diet to no avail.

Some common post surgery effects of gastric bypass include:

  • Body aches
  • Dry skin
  • Mood changes
  • Fatigue
  • Feeling cold or intolerance to cold
  • Hair loss and hair thinning
  • Vitamin deficiency

There are also some possible negative effects to gastric bypass, although they are rare, they can be serious and patients need to seek medical attention.

  • Dehydration
  • Stomach ulcers
  • Hypoglycemia
  • Bleeding ulcers
  • Incision site herniation
  • Kidney stones
  • Gallstones
  • Intolerance to certain types of food
  • Leaking of one of the staples
  • Dumping syndrome – This is a condition where the stomach empties too fast into the small intestines.
  • Narrowing of the opening that leads from the stomach to the small intestines.

What are the Psychological Effects of Gastric Bypass Surgery

Obesity and depression, together with other mental issues and behavioral disorders are linked. Which one came first, however, is a question that many still debate about.

One thing is clear, gastric bypass surgery and the weight loss that follows it has shown some positive effects on the patient’s psyche.

Certain studies have shown that around 47% of patients who have undergone gastric bypass and other bariatric weight loss surgeries have reported improvements with depression. Many patients have also reported an improvement with their self-esteem.

Despite the above, however, it important to note that weight loss and gastric bypass is not a cure all. Many patients still struggle with emotional issues even after the procedure. This is where post-surgery counseling comes in.

1 comment


  1. LH

    I had GBS several years ago and over the past one year I have noticed that I can eat till I am full but within 15 to 20 minutes I am feeling hungry again. Any idea what the cause of this might be? Any help and suggestion will be greatly appreciated.

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