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What causes anxiety, dizziness and fatigue? 5 possible conditions

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

1

Hyperventilation

Hyperventilation happens when you suddenly start breathing very quickly. Exhaling more than you inhale causes low carbon dioxide levels.

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2

Whiplash

Whiplash occurs when a person's head moves backward and then forward very suddenly with great force. This injury is most common following a car collision.

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3

Paroxysmal Supraventricular Tachycardia (PSVT)

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

People with paroxysmal supraventricular tachycardia (PVST) experience a faster-than-normal heart rate. Learn more about the symptoms and risk factors.

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4

Post Concussion Syndrome

Post-concussion syndrome refers to lingering symptoms after a concussion or a mild traumatic brain injury (TBI).

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5

Multiple Sclerosis Overview

The things you've wanted to know about MS are all in one place. Learn more about symptoms, treatment, and lifestyle management.

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.
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