What is weight loss?
A person with weight loss has a persistent decrease in weight, without dieting or increasing activity. Weight loss is uncommon in those who are not trying to lose weight. A person with dehydration may experience sudden weight loss. Unintentional weight loss that occurs gradually can be a symptom of a chronic underlying illness, such as cancer.

What are the symptoms of weight loss?
Symptoms of weight loss include losing more than 5 pounds in one week, or losing more than 10 pounds in 2-3 months.

How does the doctor treat weight loss?
The treatment for weight loss depends on the underlying cause. Treatment for weight loss may include eating a healthy diet, nutritional supplements, regular exercise, and medication that stimulates the appetite.