Conditions list medically reviewed by George Krucik, MD, MBA
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…
Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.
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 sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Valley fever is an infection caused by the Coccidioides fungus. Learn about valley fever symptoms, causes, treatment, prevention, and more.
Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus.
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.