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Obesity in Adult
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Obesity in Adult

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Contributors: Michael W. Winter MD, Paritosh Prasad MD
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Synopsis

Obesity refers to a body mass index (BMI) of 30 or higher (weight in kilograms divided by square of the height in meters). Obesity develops when an individual's energy intake is greater than energy expenditure, leading to excess weight gain. There are many variables that contribute to obesity, which is a disease that now affects approximately one-third of the United States' population.

Obesity affects individuals across broad demographics, but it is more prevalent in areas of low socioeconomic status in developed countries. Contributing environmental risk factors include the consumption of high-calorie foods, decreased physical activity, and poor sleep hygiene. There is likely a genetic predisposition to obesity, although in most cases, there is not an obvious genetic cause.

Obesity predisposes to many chronic medical diseases including hypertension, hyperlipidemia, diabetes mellitus type 2, depression, and obstructive sleep apnea. Obesity also predisposes to cardiovascular diseases, which are among the leading causes of death in the United States.

Codes

ICD10CM:
E66.9 – Obesity, unspecified

SNOMEDCT:
414916001 – Obesity

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

While most causes of obesity are due to a combination of genetic and environmental exposures that lead to chronic net-positive caloric intake, underlying conditions listed below should be considered in the obese patient:

Best Tests

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Management Pearls

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Therapy

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Drug Reaction Data

Below is a list of drugs with literature evidence indicating an adverse association with this diagnosis. The list is continually updated through ongoing research and new medication approvals. Click on Citations to sort by number of citations or click on Medication to sort the medications alphabetically.

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References

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Last Reviewed: 10/10/2018
Last Updated: 11/07/2018
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Obesity in Adult
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Obesity
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