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What causes cough? 92 possible conditions

A cough is a common reflex action that clears the throat of mucus or foreign irritants. Coughing to clear the throat is typically an infrequent action, although a number of conditions can cause more frequent bouts of coughing. Read more

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

1

Asthma Overview

Learn about asthma. Explore the types of asthma and read information about their symptoms, causes and treatments. Continue reading!

Read more »

2

Allergic Rhinitis

Allergic rhinitis, or hay fever, is your body's response to specific allergens. It causes uncomfortable symptoms like sneezing and itchy eyes.

Read more »

3

Common Cold Overview

The common cold is a virus that involves symptoms like sneezing, a runny nose and a headache. Learn the causes, symptoms and treatments for the common cold now!

Read more »

4

Tuberculosis

Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.

Read more »

5

Cold and Flu Overview

Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared symptoms include headache, cough, sore throat, and more.

Read more »

6

Sinus Infections (Sinusitis)

A sinus infection, or sinusitis, is a common condition that affects 30 million people in the United States each year, according to the National Institute of Allergy and Infectious Diseases. The infection occurs whe...

Read more »

7

Chronic Bronchitis

Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.

Read more »

8

Emphysema

Smoking is the leading cause of emphysema, a disease of the lungs that makes it hard to breathe. Learn more about how emphysema affects you and how it's treated.

Read more »

9

Congestive Heart Failure (CHF)

Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. Learn more about CHF, including symptoms and risk factors.

Read more »

10

Types of Acid Reflux

Acid reflux symptoms are caused when stomach contents flow up from the stomach back into the esophagus, causing symptoms like heartburn, stomach pain, and burping.

Read more »

11

Tonsillitis

Tonsillitis can occur at any age and is a common childhood ailment. It is most often diagnosed in children from preschool age through their midteens.

Read more »

12

Pulmonary Edema

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

Pulmonary edema is a condition in which the lungs fill with fluid. Read about your risk, and what to do if you experience symptoms.

Read more »

13

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.

Read more »

14

Pneumonia

Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.

Read more »

15

Lung Cancer Overview

There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.

Read more »

16

Bronchiectasis

Bronchiectasis causes symptoms like chronic coughing, coughing up blood, wheezing, and shortness of breath. Read about treatment options.

Read more »

17

Pulmonary Fibrosis

Pulmonary fibrosis is a condition that causes lung scarring, and stiffness. Learn about the causes, symptoms, and treatment options.

Read more »

18

MRSA (Staph) Infection

MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.

Read more »

19

Laryngitis

Laryngitis is when your voice box or vocal cords become inflamed from overuse, irritation, or infection. It comes in both acute and chronic forms.

Read more »

20

Croup

Croup is a viral condition that causes swelling around the vocal cords. It's most active in the fall and winter months and targets children under the age of 5.

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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