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What causes low blood pressure? 40 possible conditions

Hypotension is low blood pressure. Your blood pushes against your arteries with each heartbeat. And the pushing of the blood against the artery walls is called blood pressure. Low blood pressure is good in most cases. But low blood pressure can sometimes... Read more

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

1

Orthostatic Hypotension

Find out what you need to know about orthostatic hypotension - the sudden drop in blood pressure when you stand up that can make you feel faint.

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2

Dehydration

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

Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating.

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3

Anaphylaxis

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

Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.

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4

Hypovolemic Shock

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

Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing the heart from pumping sufficient blood to your body.

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5

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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6

Bleeding

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

Bleeding, or hemorrhage, is the name used to describe blood loss. It can refer to blood loss inside the body, called internal bleeding. Or it can refer to blood loss outside of the body, called external bleeding...

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7

Cardiogenic Shock

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

Cardiogenic shock occurs when the heart has been damaged to the point where it's unable to supply enough blood to the organs of the body.

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8

Congestive Heart Failure (CHF)

Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. CHF refers to fluid buildup around your heart.

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9

Septicemia

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

Septicemia is bacterial infection spread through the entire vascular system of the body. If untreated it can result in sepsis, a life-threatening inflammation.

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10

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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11

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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12

Septic Shock

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

Septic shock is a complication of an infection. It can cause inflammation and could become life-threatening.

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13

Adrenergic Bronchodilators Overdose

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

An adrenergic bronchodilators overdose is when you take too much of a certain kind of asthma medication.

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14

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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15

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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16

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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17

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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18

Opioids and related disorders

Opioid addiction can cause serious health issues and can lead to death. Read more on addiction and how to quit.

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19

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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20

Addison’s Disease

Addison's disease occurs when the adrenal cortex is damaged and the adrenal glands do not produce enough of the steroid hormones cortisol and aldosterone.

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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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