What causes weight loss and fatigue?

The thyroid produces certain hormones that regulate the body’s metabolism, so an excess of these hormones often causes the body to burn more energy than usual. Burning more energy and calories can lead to unintentional or unexplained weight loss. Other symptoms of hyperthyroidism include: fatigue.

What cancers cause weight loss and fatigue?

According to the American Cancer Society, unexplained weight loss is often the first noticeable symptom of cancers of the esophagus, pancreas, stomach, and lung. Other cancers, such as ovarian cancer, are more likely to cause weight loss when a tumor grows large enough to press on the stomach.

What is considered unexplained rapid weight loss?

Weight loss of 10 pounds or more, or five percent of body weight, over a period of 6 to 12 months is considered “unexplained.” Unexplained weight loss can be a symptom of a serious condition or illness.

When should I worry about unexplained weight loss?

The point at which unexplained weight loss becomes a medical concern is not exact. But many doctors agree that a medical evaluation is called for if you lose more than 5 percent of your weight in six months to a year, especially if you’re an older adult.

Can benign tumors cause weight loss?

But if they grow large enough to press on bodily structures, they may cause: Bleeding (for example, with a fibroid in the uterus). Headaches, seizures or trouble seeing (for example, with a brain tumor). Loss of appetite or weight loss (for example, a tumor near your stomach or intestines).

When should you worry about weight loss?

When to Worry About Weight Loss. Your body’s weight can fluctuate but when you lose more than 5% of your weight over 6-12 months, that’s typically a reason for concern. Pay attention if you experience other symptoms, such as: Fatigue.

What health problems can make you lose weight?

However, unintentional weight loss may be a sign of one of these medical conditions.

  • Muscle loss. Muscle loss, or muscle wasting, can lead to unexpected weight loss.
  • Overactive thyroid.
  • Rheumatoid arthritis.
  • Diabetes.
  • Depression.
  • Inflammatory bowel disease.
  • Chronic obstructive pulmonary disease.
  • Endocarditis.