Conditions list medically reviewed by George Krucik, MD, MBA
A deviated septum may cause health complications such as difficulty breathing. Learn more about the causes, symptoms, treatments, and more.
Allergic rhinitis, or hay fever, is your body's response to specific allergens. It causes uncomfortable symptoms like sneezing and itchy eyes.
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
RSV is virus that causes symptoms similar to those of a cold and occurs most frequently in children. Learn about causes and treatment.
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.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Allergic asthma is asthma caused by an allergic reaction. You may have allergic asthma if you have trouble breathing during allergy season.
Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food…
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.