Let's see if we can figure out what's causing your cough.
Select additional symptoms and we'll narrow your results.

What causes cough? 92 possible conditions

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



Measles is a very contagious infection of the respiratory system. One of its several symptoms is a sore or swollen throat.

Read more »



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

Read more »


Cor Pulmonare

Cor pulmonale causes the right ventricle to enlarge and pump blood less effectively than it should. Shortness of breath, chronic cough, and a blue tint to the mouth and fingernails are all symptoms.

Read more »



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

Encephalitis is an inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can cause encephalitis.

Read more »


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.

Read more »


Goodpasture syndrome

Goodpasture syndrome is a rare and potentially life-threatening autoimmune disease. It occurs when the immune system attacks the walls of the lungs and the tiny filtering units in the kidneys. The disorder is name...

Read more »


Respiratory Acidosis

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

Respiratory acidosis, also called respiratory failure or ventilatory failure, causes the pH of blood and other bodily fluids to decrease, making them too acidic. Respiratory acidosis occurs when the lungs can't remov...

Read more »


Mitral Valve Stenosis

Mitral valve stenosis, also known as mitral stenosis, is when the mitral valve opening is narrowed. This means that not enough blood can flow through it.

Read more »


Costochondritis (Tietze's Syndrome)

Costochondritis is inflammation of the cartilage where the ribs attach to the breastbone. Pain worsens if you move, stretch, or breathe deeply. Women and those over 40 are most commonly diagnosed with this condition.

Read more »



Histoplasmosis is a noncommunicable disease caused by certain fungal spores. Red bumps on the lower legs are one sign of this condition.

Read more »



An empyema is a condition in which pus collects in the pleural space, which is the area between your lungs and the inner surface of your chest wall.

Read more »


Pulmonary Actinomycosis

Pulmonary actinomycosis is a rare bacterial lung infection. It is also known as thoracic actinomycosis. It is not contagious. This condition mainly affects people between 30 and 60 years old. It occurs more often in me...

Read more »



Asbestosis is a lung disease that develops from the presence of asbestos fibers, which lead to scarring. It restricts your breathing and interferes with the ability of oxygen to enter the bloodstream. Other names fo...

Read more »


Acute Mountain Sickness

Acute mountain sickness (altitude sickness or high altitude pulmonary edema) occurs in high altitudes, especially when exercising. A lack of oxygen can give the skin and lips a blue tinge.

Read more »


Valley Fever (Coccidioidomycosis)

Coccidioidomycosis, also known as valley fever, is a fungal infection that starts in the lungs and can potentially spread to the rest of the body. Fever, chills and sweating are common.

Read more »


The Plague

The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.

Read more »


Absence of Gamma Globulin in Blood

Agammaglobulinemia (AGMX) is an inherited immune system disorder. Passed from parent to child, it is also known as Bruton’s agammaglobulinemia, congenital agammaglobulinemia, and X-linked agammaglobulinemia. AGM...

Read more »



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

Anthrax is a serious illness caused by a microbe that lives in soil, called Bacillus anthracis. Inhalation may result in cold and flu symptoms; signs of ingestion include nausea and abdominal pain.

Read more »


Bird Flu

Bird flu, also called avian influenza, is a viral infection that can also infect humans and other animals. However, most forms of the virus are restricted to birds. H5N1 is also the most common form of bird flu. No...

Read more »



Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus. The fungus usually grows on decaying vegetation and dead leaves. Being exposed to the fungus does not necessarily mea...

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.