Cough | Symptom Checker
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What causes cough? 92 possible conditions

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

21

Swine Flu

Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air. Symptoms are similar to regular influenza.

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22

Whooping Cough (Pertussis)

Whooping cough is a serious respiratory infection that can be deadly for infants and young children, but adolescents and adults can get it too. Vaccination is available.

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23

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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24

The Atypical Facts About Atypical Pneumonia

Pneumonia is an infection that causes inflammation of the lungs. Atypical pneumonia is a kind that isn't caused by the bacteria that causes typical pneumonia.

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25

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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26

Collapse of the Lung (Penumothorax)

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

A collapse of the lung occurs when air from the lung leaks into the chest cavity. Find out more about a collapsed lung, including symptoms and treatment.

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27

Infectious Mononucleosis

Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).

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28

RSV (Respiratory Syncytial Virus) Infection

RSV is virus that causes symptoms similar to those of a cold and occurs most frequently in children. Learn about causes and treatment.

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29

Systemic Sclerosis (Scleroderma)

Scleroderma is an autoimmune disorder that is characterized by changes in the texture and appearance of the skin due to an increase in collagen. It can affect blood vessels and muscles, and a number of vital organs.

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30

COPD Overview

Chronic obstructive pulmonary disease (COPD), is a lung condition usually caused by smoking. It makes breathing difficult, and wheezing, tightness in chest, and chest infections are common.

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31

Swallowed (or Inhaled) Foreign Object

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

Anyone can swallow a foreign object. However, infants and toddlers have a natural tendency to put things in their mouths, which puts them at higher risk.

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32

Pleurisy

Pleurisy occurs when the tissues that line your lungs and chest wall become inflamed or infected, causing extreme pain. It is often treated with antibiotics.

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33

Small Cell Lung Cancer

Small cell lung cancer is a very aggressive form of lung cancer. Learn about small cell lung cancer symptoms, risk factors, diagnosis, and treatment.

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34

The Catastrophy of Cardiac Tamponade

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

Cardiac tamponade is a condition where the sac that encases your heart fills with fluid and then puts pressure on your heart. This undue pressure keeps the heart from filling with blood properly. When this happens, th...

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35

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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36

Burns

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

Burns are characterized by severe skin damage in which many of the affected cells die. Most people can recover from burns without serious health consequences.

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37

Non-Small Cell Lung Cancer

Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Swelling of the face is one potential sign of lung cancer.

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38

Fluid in the Chest (Pleural Effusion)

Pleural effusion, also called "water on the lung," is an excessive buildup of fluid between your lungs and chest cavity. There's always a small amount of liquid inside your lungs.

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39

Cystic Fibrosis

Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.

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40

Chickenpox

Also known as varicella, chickenpox is a virus that often affects children. It is characterized by itchy, red blisters that appear all over the body.

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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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