Conditions list medically reviewed by George Krucik, MD, MBA
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
Acid reflux symptoms are caused when stomach contents flow up from the stomach back into the esophagus, causing symptoms like heartburn, stomach pain, and burping.
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…
Tonsillitis can occur at any age and is a common childhood ailment. It is most often diagnosed in children from preschool age through their midteens.
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
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.
Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. Learn more about CHF, including symptoms and risk factors.
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.
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.
MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.
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.
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Small cell lung cancer is a very aggressive form of lung cancer. Learn about small cell lung cancer symptoms, risk factors, diagnosis, and treatment.
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Learn more about it.
Also known as varicella, chickenpox is a virus that often affects children. It is characterized by itchy red blisters that appear all over the body.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Goodpasture syndrome is a rare condition that occurs when your immune system attacks the walls of your lungs and the tiny filtering units in your kidneys.
Acute mountain sickness is a condition that occurs when your body can't adjust to a high level of altitude. Learn more about the signs and how to treat it.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.