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.


Childhood Asthma

Asthma is a chronic condition in which the airways to your lungs become inflamed. The inflammation can make breathing difficult and painful. Childhood asthma affects almost nine million children in the United States...

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Transfusion Reactions

A transfusion reaction is when your body has an adverse response to a blood transfusion. Learn how transfusion reactions occur and how to minimize your risk.

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Actinomycosis is a long-term infection that causes sores. Read about its causes and treatment options..

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Byssinosis: Brown Lungs and What You Need to Know About Them

Byssinosis is a rare lung disease caused by inhaling hemp, flax, and cotton particles. There are easy steps you can take to prevent it.

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Caplan's Syndrome

Caplan's syndrome is also known as coal worker's pneumoconiosis. It is common in coal miners, and can also be seen in individuals who have had long-term exposure to silica, coal dust, or asbestos. Caplan's syndrom...

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Heart Failure

Heart failure is characterized by the heart's inability to pump an adequate supply of blood. Learn about heart failure symptoms, causes, types, and treatment.

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Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells.

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Allergic Asthma

If you ever have trouble breathing during allergy season, you may have allergic asthma. Allergic asthma is asthma caused by an allergic reaction. It is also called allergy-induced asthma. People with allergic asthm...

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Alpha-1 Antitrypsin Deficiency

Alpha-1 antitrypsin is a protein in blood that the liver and lungs use to control the immune response. An alpha-1 antitrypsin deficiency (AAD) means there is too little of the functioning protein in your blood. Whe...

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Peripartum Cardiomyopathy

Peripartum cardiomyopathy is a rare type of heart failure that occurs during pregnancy or immediately after delivery.

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Metastatic Lung Cancer

Metastatic lung cancer occurs when cancer in another area of the body spreads to the lung. Learn about metastatic lung cancer symptoms, causes, and treatment.

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Thyroid Nodule

A thyroid nodule is a lump that can develop in your thyroid gland. It can be solid or filled with fluid. You can have a single nodule or a cluster of nodules. Thyroid nodules are relatively common and rarely cancerous.

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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.