Fainting, Low blood pressure: 11 Possible Causes
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What causes fainting and low blood pressure? 11 possible conditions

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

1

Hypotension

Hypotension is low blood pressure. That's good in most cases, but low blood pressure can sometimes make you feel tired or dizzy.

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2

Heart Attack Overview

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

A clot blocks the blood flow to the heart (heart attack), and damages heart muscle. Symptoms include chest pain, shortness of breath, and a blue or grey tinge to the skin.

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3

Food Allergy Basics

Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food allergies, and how to prevent or treat sever...

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4

The Catastrophy of Cardiac Tamponade

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

Cardiac tamponade is a very serious condition in which your heart can't pump enough blood to your body due to fluid buildup around your heart.

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5

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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6

Abnormal Heart Rhythms

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

An abnormal heart rhythm is when your heart beats too fast, slow, or irregularly. This is also called an arrhythmia. Within the heart is a complex system of valves, nodes, and chambers that control how and when th...

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7

Pulmonary Embolism

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

A pulmonary embolism is a blood clot that occurs in the lungs. It can damage part of the lung and other organs and decrease oxygen levels in the blood.

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8

Ventricular Tachycardia

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

Ventricular tachycardia is a very fast heart rhythm that begins in the ventricles. Learn about ventricular tachycardia symptoms, causes, and diagnosis.

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9

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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10

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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11

Autonomic Neuropathy

Damage to the nerves that help your organs to function can cause a condition called autonomic neuropathy (AN) and is associated with other conditions.

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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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