This complicated disorder may be triggered by an infection. While there's no cure for chronic fatigue syndrome, treatment focuses on easing symptoms.
Disease
Achalasia
In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
Disease
Amyloidosis
This rare disease can affect different organs in different people. Find out how early and accurate diagnosis can lead to better outcomes.
Disease
Subarachnoid hemorrhage
Learn about how this type of bleeding in the brain is diagnosed and treated.
Disease
Botulism
This rare but serious condition can be caused by bacteria that have contaminated food or a wound. Learn more about how to prevent botulism.
Disease
Arteriovenous malformation
In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Disease
Ehrlichiosis and anaplasmosis
Learn how to prevent and treat the tick-borne diseases ehrlichiosis and anaplasmosis.
Disease
Addison's disease
Learn about this rare but serious condition of the adrenal glands that's treated by replacing hormones the body needs.