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Should I have surgery for obesity?

Introduction

This information will help you understand your choices, whether you share in the decision-making process or rely on your doctor's recommendation.

Key points in making your decision

If you are obese and lifestyle changes and taking medicines have not helped you lose enough weight, surgery may be an option. However, all weight loss surgeries have risks, and it is important for you and your health professional to discuss the risks and benefits and decide what is best for your situation. Consider the following when making your decision:

• Although guidelines vary, surgery is generally considered when your body mass index (BMI) is 40 or higher and you also have a life-threatening or disabling condition related to your weight. The following conditions may also be required, or are at least considered:
  • You have been obese for at least 5 years.
  • You do not abuse alcohol.
  • You do not have untreated depression or another major psychiatric disorder.
  • You are between 18 and 65 years of age.
• Depending on the type of surgery, most people lose from about 30% to 80% of their excess weight (the weight above what is considered healthy).
• Some of the weight lost may be regained.
• Some types of surgery may put you at risk for nutritional deficiencies.
• People who are obese have a higher risk of complications from surgery.

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