What causes fatigue and shortness of breath? 89 possible conditions

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

1

Congestive Heart Failure (CHF)

Congestive heart failure is a chronic condition that affects the four chambers of the heart. Early symptoms include fatigue and weight gain. Irregular heart beat and wheezing indicate a worsening.

Read more »

2

Congestive (Dilated) Cardiomyopathy

Congestive cardiomyopathy, also known as dilated cardiomyopathy, is characterized by a weak primary pumping chamber in the heart. Your heart automatically attempts to correct for this inefficiency. In turn, thi...

Read more »

3

Chronic Bronchitis

People often develop acute bronchitis after a viral chest infection. Blue-colored lips ankle or foot swelling can result.

Read more »

4

Emphysema

Emphysema is a lung disease that, along with chronic bronchitis, represents a type of chronic obstructive pulmonary disease (COPD). Lack of oxygen may give skin and lips a bluish hue.

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

Pneumonia

Pneumonia is an infection of the lungs. General symptoms include chest pain, fever, cough, nausea, and difficulty breathing. Blue skin, high fever, and bloody mucus are serious signs.

Read more »

7

Anxiety

What is anxiety? Anxiety often manifests itself as an apprehension about daily life. Learn the basics with this overview of the types of anxiety disorders.

Read more »

8

Anemia

Anemia occurs when the number of healthy red blood cells (RBCs) in the body is too low. Red cells carry oxygen to all the body's tissues, so a low red blood cell count indicates that the amount of oxygen in the blood i...

Read more »

9

Pneumothorax (Collapsed Lung)

Pneumothorax is a collapsed lung. This occurs when air becomes trapped in the space around the lungs. Along with a steady ache in the chest and shortness of breath, your skin or lips may turn blue.

Read more »

10

Heart Failure

Right-side heart failure occurs when the right ventricle can't properly pump blood to your lungs to collect oxygen. Excessive fatigue, shortness of breath and abdominal bloating are signs.

Read more »

11

Lung Cancer Overview

Lung cancer is a cancer that originates in the lungs. Lung cancer often goes undetected in the early stages, since symptoms don't usually present themselves until the advanced stages of the disease.

Read more »

12

Bronchiectasis

Bronchiectasis is a condition in which the bronchial tubes of the lungs are permanently damaged and enlarged, which causes infections and blockages in the airways, and gives the skin a blue appearance.

Read more »

13

Obesity

Obesity is defined as having a body mass index (BMI) of 30 or more. BMI is calculated using a person's weight and height. It can lead to other conditions like diabetes, heart disease, and cancer.

Read more »

14

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 »

15

Bleeding

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

Bleeding can refer to blood loss inside the body (internal bleeding) or blood loss outside of the body (external bleeding). It can cause bruising, pain, and symptoms of shock. Too much bleeding can lead to death.

Read more »

16

Coronary Artery Disease (CAD) Overview

CAD occurs when one or more of the coronary arteries begin to narrow due to the build-up of cholesterol and plaque. The blockage of one of these arteries leads to a heart attack.

Read more »

17

Iron Deficiency Anemia

Iron-deficiency anemia is the most common type of anemia, which occurs when the body does not have enough of the mineral iron. The body needs iron to produce hemoglobin, which carries oxygen to the body's tissues...

Read more »

18

Infectious Mononucleosis

Infectious mononucleosis, or "mono," is a group of symptoms caused by the Epstein-Barr virus. One potential symptom is a pink rash that looks like the measles.

Read more »

19

Hyperventilation

Hyperventilation happens when you suddenly start breathing very quickly. Exhaling more than you inhale causes low carbon dioxide levels, which leads to lightheadedness and tingling in the fingers.

Read more »

20

Cystic Fibrosis

Cystic fibrosis is a recessive genetic disorder that affects cells that produce mucous, sweat, and digestive juices. It may cause severe problems in the lungs, pancreas, liver, and intestine

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.
Advertisement
Add another symptom to narrow down the possibilities

I'm experiencing:

Choose from list of symptoms:

Advertisement
Advertisement