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What are serious side effects of weight loss surgery?

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Serious side effects of weight loss surgery include:

Bleeding in stool. Your stool can be reddish or black, which can be serious. Tell your doctor about this right away, or go to an emergency room.

Blood clots. Blood clots in the lungs are rare and happen less than 1% of the time. They can be life-threatening. But blood clots can usually be prevented with blood thinning drugs and frequent activity.

Leaks. Leaks in the new connections made by weight loss surgery are rare, but serious. They usually happen within 5 days of the surgery. Belly pain and feeling ill are common symptoms. Call your doctor.

SOURCES:

Brethauer, S. November 2006. Cleveland Clinic Journal of Medicine,

Schauer P. Oct. 1, 2001. Surgical Clinics of North America,

Buchwald, H. Oct. 13, 2004. The Journal of the American Medical Association,

Virji, A. April 15, 2006. American Family Physician,

Shah, M. Nov. 1, 2006. The Journal of Clinical Endocrinology & Metabolism,

WebMD Feature: "Life After Weight Loss Surgery."

WebMD Medical Reference: "Gastric Bypass Surgery."

American Society for Metabolic and Bariatric Surgery: "Rationale for the Surgical Treatment of Morbid Obesity."

Reviewed by Michael Dansinger on February 9, 2017

SOURCES:

Brethauer, S. November 2006. Cleveland Clinic Journal of Medicine,

Schauer P. Oct. 1, 2001. Surgical Clinics of North America,

Buchwald, H. Oct. 13, 2004. The Journal of the American Medical Association,

Virji, A. April 15, 2006. American Family Physician,

Shah, M. Nov. 1, 2006. The Journal of Clinical Endocrinology & Metabolism,

WebMD Feature: "Life After Weight Loss Surgery."

WebMD Medical Reference: "Gastric Bypass Surgery."

American Society for Metabolic and Bariatric Surgery: "Rationale for the Surgical Treatment of Morbid Obesity."

Reviewed by Michael Dansinger on February 9, 2017

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How will your body absorb nutrients differently after weight loss surgery?

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