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…
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.
Asthma can make breathing difficult and cause coughing and wheezing. Find out what treatments and lifestyle changes can help.
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.