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.

41

Paroxysmal Supraventricular Tachycardia (PSVT)

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

People with paroxysmal supraventricular tachycardia (PVST) experience a faster-than-normal heart rate. Learn more about the symptoms and risk factors.

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42

Small Cell Lung Cancer

Your lungs are two sponge-like, air-filled organs located on either side of your chest. When you inhale, your lungs absorb oxygen and send it to the bloodstream for use by your cells. Carbon dioxide, a waste product o...

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43

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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44

Atrial Flutter

Atrial flutter (AFL) is a type of abnormal heart rate, or arrhythmia. It occurs when the upper chambers of your heart (the atria) beat too fast. When the top of your heart (atria) beats faster than the botto...

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45

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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46

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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47

Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy is a condition in which your heart muscle is thicker than normal. It can interfere with your heart's ability to pump blood.

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48

Ventricular Tachycardia

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

Ventricular tachycardia is a very fast heart rhythm that begins in the ventricles. Learn about ventricular tachycardia symptoms, causes, and diagnosis.

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49

Ischemic Cardiomyopathy

Ischemic cardiomyopathy is a condition that occurs when the heart muscle is weakened due to insufficient blood flow to the heart's muscle. This inhibits the heart's ability to pump blood and can lead to heart failure.

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50

Infectious Mononucleosis

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

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51

Multiple Myeloma

Multiple myeloma is a type of cancer that affects plasma cells, which are the white blood cells that make antibodies. Multiple myeloma causes groups of abnormal plasma cells to accumulate in the bones, which can lead t...

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52

Bites and Stings

Whether you're in the water, on a mountain trail, or in your backyard, wildlife you encounter have ways of protecting themselves and their territory. One method of defense involves biting or stinging. The wounds ca...

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53

Ventricular Septal Defects

A ventral septal defect (VSD) is a hole between the heart's lower chambers (ventricles). It can lead to difficulty breathing and pale or bluish skin, especially around the lips and fingernails.

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54

Pulmonary Fibrosis

Pulmonary fibrosis is a condition that causes lung scarring and stiffness. This keeps the body from getting enough oxygen.

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55

Generalized Anxiety Disorder

People who suffer from generalized anxiety disorder, or GAD, worry uncontrollably about common occurrences and situations. The condition may also be called chronic anxiety neurosis.GAD is different than normal feeling...

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56

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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57

Tuberculosis

Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. A severe and long-lasting cough, fever, and night sweats could indicate an active TB infection.

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58

Thyroid Cancer

Thyroid cancer is the most common type of endocrine cancer. Learn more about its symptoms, diagnosis, and treatment.

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59

Tetralogy of Fallot (TOF)

Tetralogy of Fallot is a serious, congenital heart defect characterized by malformations of the heart and a bluish skin tone.

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60

Angioedema (Giant Hives)

Angioedema is severe swelling beneath the skin. Sometimes the swelling is accompanied by hives. Learn about angioedema symptoms, causes, and treatment.

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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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