Weight Loss Overview
Losing weight is not really a medical symptom if it is explained by lifestyle changes. That means you’re eating less, eating better foods, or exercising more. Changes to appetite can also cause weight loss, and can be the cause of disease (see “poor appetite”). Another common cause would be various infections, such as a virus, which lead to weight loss during the illness, but there are usually other symptoms such as fever. If none of these is the case, or if the weight loss is sudden, then it is “unexplained weight loss”. Unexplained weight loss can be the symptom of a variety of disorders, such as diabetes, thyroid disease, and various others. See your doctor for a diagnosis of unexplained weight loss.
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- Viral Infections: Viral infections are caused by viruses, which are tiny microbes that spread in the body. Viruses are actually made up
... More on Viral Infections »
- Diabetes: Diabetes is a metabolic disease where the body loses the ability to properly process sugars (glucose). The full medical name
... More on Diabetes »
- Dehydration: Dehydration is a lack of adequate fluid in the body. Dehydration is a dangerous complication of various infections, and can
... More on Dehydration »
- Failure to Thrive: Failure to Thrive refers to when an infant fails to gain weight and continue on the usual growth path. It
... More on Failure to Thrive »
- Malabsorption Disorders: Malabsorption refers to a lack of absorption of nutrients in the digestive system. This can cause general malnutrition, pernicious anemia
... More on Malabsorption Disorders »
Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.