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

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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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 very serious condition in which your heart can't pump enough blood to your body due to fluid buildup around your heart.

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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.

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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 (IC) is a condition that occurs when the heart muscle is weakened. It's usually caused by heart attack or coronary artery disease.

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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. Learn about multiple myeloma symptoms, diagnosis, risk factors, and treatment.

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52

Bites and Stings

Saliva from insect bites and venom from stings can cause a reaction such as swelling and itching. Bee stings can cause these symptoms and possibly anaphylaxis, a life-threatening condition.

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53

Ventricular Septal Defects

A ventricular septal defect (VSD) is a hole between your heart's lower chambers, or ventricles. Read more about this condition.

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54

Pulmonary Fibrosis

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

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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. Read more on whom it affects and how to treat it.

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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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