Dizziness, Headache, Nausea: 10 Possible Causes
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What causes dizziness, headache and nausea? 10 possible conditions

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

1

Cold and Flu Overview

Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared symptoms include headache, cough, sore throat, and more.

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2

Labyrinthitis

Labyrinthitis is an inner ear disorder in which a nerve that detects head movement becomes inflamed. Symptoms include dizziness, vertigo, and nausea.

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3

Caffeine Overdose

The recommended amount of caffeine is usually 400 mg per day for healthy adults. Caffeine overdose may occur if you ingest more than this amount.

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4

Acoustic Neuroma

An acoustic neuroma is a benign tumor that grows on the nerve that connects your brain and your ear.

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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.

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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.

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7

Acute Mountain Sickness

Acute mountain sickness, or altitude sickness, is a condition that occurs when your body can't adjust to a high level of altitude.

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8

Toxic Shock Syndrome

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

Toxic shock syndrome is a rare but serious condition caused by a bacterial infection. Read more about its causes and symptoms and when to see a doctor.

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9

Endometriosis

Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.

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10

SARS (Severe Acute Respiratory Syndrome)

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

Severe acute respiratory syndrome (SARS) is a serious form of viral pneumonia. The virus that causes SARS was first identified in 2003.

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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.
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