Looking to lead a stronger, healthier life?
Sign up for our Wellness Wire newsletter for all sorts of nutrition, fitness, and wellness wisdom.

Now we’re in this together.
Thanks for subscribing and having us along on your health and wellness journey.

See all Healthline's newsletters »
Advertisement
Let's see if we can figure out what's causing your symptoms.
Select additional symptoms and we'll narrow your results.

What causes coma, confusion and headache? 11 possible conditions

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

1

Low Blood Sugar (Hypoglycemia)

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

Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.

Read more »

2

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.

Read more »

3

Encephalitis

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

Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.

Read more »

4

Brain Abscess

A brain abscess forms when fungi, viruses, or bacteria reach your brain through a wound in your head or an infection somewhere else in your body.

Read more »

5

Carbon Monoxide Poisoning

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

Learn about carbon monoxide poisoning and what causes it. Find information on carbon monoxide symptoms, diagnosis, treatment, and prevention.

Read more »

6

Addisonian Crisis (Acute Adrenal Crisis)

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

An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.

Read more »

7

Glomerulonephritis

Glomerulonephritis is a serious illness that can stop your kidneys from functioning properly. Learn how this condition is diagnosed and treated.

Read more »

8

Chronic Kidney Disease

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

Read more »

9

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

Read more »

10

Medullary Cystic Disease

Medullary cystic kidney disease is a rare condition that causes cysts to form on kidneys. Kidney failure may result, symptoms of which can include changes in skin color and itchy skin.

Read more »

11

What's In Your Head: Chronic Subdural Hematoma

A chronic subdural hematoma (SDH) is a collection of blood on the brain's surface under the outer covering of the brain (dura).

Read more »

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