Depression, Fatigue, Loss of appetite: 11 Possible Causes
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What causes depression, fatigue and loss of appetite? 11 possible conditions

See a list of possible causes in order from the most common to the least.



The thyroid gland produces a hormone that controls how your cells use energy (metabolize). Hypothyroidism occurs when the body doesn't produce enough. Untreated, it can cause complications like obesity and heart disease.

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Anorexia Nervosa

Anorexia nervosa is an eating disorder that can result in severe weight loss. Learn more about warning signs and treatment.

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PMS (Premenstrual Syndrome)

Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.

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Bipolar Disorder

Bipolar disorder is a mental illness marked by extreme shifts in mood ranging from mania to depression. It is also called bipolar disease or manic depression.

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Alcohol Withdrawal Syndrome

This condition is considered a medical emergency. Urgent care may be required.

Alcohol withdrawal syndrome (AWS) is the name for the symptoms that occur when a heavy drinker suddenly stops or significantly reduces their alcohol intake. With AWS, you may feel mild anxiety and fatigue. You may als...

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Hypercalcemia is a condition in which you have too much calcium in your blood.

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Persistent depressive disorder, formerly known as dysthymia, is a form of chronic depression. Learn about its symptoms, causes, treatment, and more.

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Postpartum Depression

Postpartum depression affects as many as 13 percent of new mothers. In the U.S., that's half a million women. Learn about symptoms, causes, risks, and more.

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Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.

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Underactive Pituitary Gland (Hypopituitarism)

Hypopituitarism occurs when your pituitary gland in your brain is not releasing one or more of the eight hormones it should be releasing.

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Hyperparathyroidism is a condition where the parathyroid glands produce too much parathyroid hormone (PTH).

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.