Weight loss - unintentional
Unexplained weight loss is a decrease in body weight, when you did not try to lose the weight on your own.
Many people gain and lose some weight during any year. Loss of 10 pounds OR 5% of your normal body weight over 6-12 months or less, and you don't know the reason.
This problem may also be called unintentional weight loss.
Loss of weight; Losing weight without trying
A loss of appetite may be due to:
Chronic digestive system problems that decrease the amount of calories and nutrients your body absorbs, including:
Other causes such as:
Your healthcare provider may suggest changes in your diet and exercise program depending on the cause of your weight loss.
When to Contact a Medical Professional
Call your health care provider if:
What to Expect at Your Office Visit
The health care provider will do a physical exam and check your weight. You will be asked questions about your medical history and symptoms, including:
You may need to see a dietitian for nutrition advice.
Bistrian BR. Nutritional assessment. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 221.
Review Date: 1/6/2013
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Stephanie Slon, and Nissi Wang.
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