Conditions list medically reviewed by George Krucik, MD, MBA
A cold is a common viral infection of the upper respiratory tract–namely, your nose and throat. A runny or stuffy nose, sneezing, coughing, and sore throat are common…
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
Smoking is the leading cause of emphysema, a disease of the lungs that makes it hard to breathe. Learn more about how emphysema affects you and how it's treated.
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
A sinus infection, or sinusitis, is a common condition that affects 30 million people in the United States each year, according to the National Institute of Allergy and…
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.
Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.
Bronchiectasis causes symptoms like chronic coughing, coughing up blood, wheezing, and shortness of breath. Read about treatment options.
Pulmonary fibrosis is a condition that causes lung scarring, and stiffness. Learn about the causes, symptoms, and treatment options.
A dissection of the aorta means that blood has entered the wall of the artery between the inner and middle layers. It can be serious if the aorta ruptures.
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.
Small cell lung cancer is a very aggressive form of lung cancer. Learn about small cell lung cancer symptoms, risk factors, diagnosis, and treatment.
During a heart attack, the blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Learn more.
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.
Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.
Respiratory acidosis occurs when the lungs cannot remove enough of the CO2 produced by the body. It is typically caused by an underlying condition.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.