Conditions list medically reviewed by George Krucik, MD, MBA
Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
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.
Whooping cough is a serious respiratory infection that can be deadly for infants and young children, but adolescents and adults can get it too. Vaccination is available.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Systemic sclerosis (SS) is an autoimmune disorder in which the body's immune system attacks the body.
Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.
Neutropenia is a condition characterized by low levels of neutrophils, which are white blood cells that fight infection. Find out about symptoms and treatment.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
Bird flu, also called avian influenza, is a viral infection that can also infect humans and other animals. Read on to learn how it's diagnosed and treated.
Anthrax is a serious illness caused by a microbe called Bacillus anthracis that lives in soil. Read about the symptoms of anthrax.
The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.
Fifth disease is common in children. It causes a red rash on the arms, legs, and cheeks, and a virus called parvovirus B19 causes it.
Severe acute respiratory syndrome (SARS) is a serious form of viral pneumonia. The virus that causes SARS was first identified in 2003.
Weil's disease is a severe form of the bacterial infection leptospirosis. Learn how to lower your risk of getting this potentially life-threatening illness.
Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.
Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell walls.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.