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What causes coma and loss of appetite? 13 possible conditions

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


Low Blood Sodium (Hyponatremia)

Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. A quick drop in sodium levels can cause weakness, headache, nausea, and muscle cramps.

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Diabetic Ketoacidosis

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

Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...

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Meningitis is an inflammation of the membrane that covers the brain and spinal cord. It may cause headache and fever in teens and adults, irritability in babies, and trouble breathing in young children.

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Hypercalcemia is a condition in which you have too much calcium in your blood. Serious cases could cause symptoms like abdominal pain, nausea, constipation, and weakness.

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Addisonian Crisis (Acute Adrenal Crisis)

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

People with Addison's disease don't make enough cortisol or aldosterone. Addisonian crisis is a potentially life-threatening condition indicated by nausea, abdominal pain, fever, and chills.

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Chronic Kidney Disease

Chronic kidney disease (CKD) is the progressive and irreversible destruction of the kidneys. The most common causes of CKD are high blood pressure and diabetes.

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Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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Reye's Syndrome

Reye's syndrome is a rare condition that results in sudden swelling and inflammation of the liver and brain and is often accompanied by a red scaly rash. It is not contagious.

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Acetaminophen Overdose

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

Acetaminophen is a pain reliever found in over-the-counter medications such as Tylenol and in prescription medications. Overuse of this ingredient can lead to liver damage, and an overdose can be fatal.

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Yellow fever

Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. It's found mostly in Africa and South America. Symptoms of stage 3 yellow fever include abdominal pain, vomiting, and jaundice.

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Acute Nephritis

Acute nephritis occurs when your kidneys suddenly become inflamed. It has several causes, and it can ultimately lead to kidney failure if it's left untreated.

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Meningeal Tuberculosis

Tuberculosis (TB) is a contagious airborne disease that typically affects the lungs. TB is caused by a bacterium called Mycobacterium tuberculosis. If a TB infection is not treated promptly, the bacterium can trave...

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Adrenoleukodystrophy (ALD) refers to several different inherited conditions that affect the nervous system and adrenal glands. Other names for it are adrenomyeloneuropathy, childhood cerebral ALD, and Schilder-Addiso...

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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.