Shortness of breath | Symptom Checker
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What causes shortness of breath? 180 possible conditions

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

61

Diphtheria

Diphtheria is a bacterial infection that affects the throat and nose. Find information on diphtheria symptoms, causes, treatment, and prevention.

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62

Sarcoidosis

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

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63

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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64

Multifocal Atrial Tachycardia and Your Heart

In multifocal atrial tachycardia (MAT), the upper heart chambers send electrical signals through too many pathways to the lower chambers, causing the heart beats much faster than normal. This can lead to rapid pulse an...

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65

Anemia

Anemia happens when the number of healthy red blood cells in your body is too low. Red blood cells carry oxygen to all of the body's tissues.

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66

Allergies Overview

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

An allergy is the immune system's response to a foreign substance (allergen) that is not typically harmful to a person's body. This attack response may involve inflammation, sneezing, and a host of other symptoms.

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67

Dissection of the Aorta

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

The aorta is a large artery that carries blood out of your heart. If you experience a dissection of the aorta, it means that blood has entered the wall of the artery, between the inner and middle layers. This can happe...

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68

Chemical Burns

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

Find information about chemical burns and how to prevent them. Learn about the causes, symptoms, and treatment of chemical burns.

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69

Diabetic Ketoacidosis

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

Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...

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70

Foreign Body in the Nose

A foreign body in the nose means that an object is present in the nose when it's not naturally supposed to be there. This often happens in small children.

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71

Botulism

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

Botulism (or botulism poisoning) is a rare but very serious illness that transmits through food, contact with contaminated soil, or through an open wound.

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72

ALS (Lou Gehrig's Disease)

Amyotrophic lateral sclerosis (ALS) is a degenerative disease that affects the brain and spinal cord. It causes loss of control of voluntary muscles.

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73

High Blood Pressure Overview

High blood pressure (hypertension) increases your risk for heart attack, stroke, coronary heart disease, and other serious health problems.

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74

Pericarditis

Pericarditis is the inflammation of the sac that surrounds your heart. The sac is a double-layered membrane called the pericardium. The pericardium protects your heart and helps it function properly.Pericarditis can b...

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75

Poisoning Due to Black Widow Spider Venom (Black Widow Spider Bites)

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

Learn how people often react to black widow spider bites. Read about how they can be treated and avoided.

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76

Getting a Handle on Aspiration Pneumonia

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

Aspiration pneumonia is an inflammation (usually due to an infection) of your lungs and bronchial tubes that occurs after you inhale foreign matter.

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77

Neuroblastoma

Neuroblastoma is a rare cancer that develops in tissues of the sympathetic nervous system (the system that carries brain signals to the body). Early symptoms of the cancer can include fever, diarrhea, and others.

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78

Goodpasture syndrome

Goodpasture syndrome is a rare condition that occurs when your immune system attacks the walls of your lungs and the tiny filtering units in your kidneys.

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79

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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80

Myasthenia Gravis

Myasthenia gravis is a neuromusclar disorder. It results in weakness of the skeletal muscles, and can cause double vision and drooping of the eyelid.

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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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