Conditions list medically reviewed by George Krucik, MD, MBA
Find out what you need to know about orthostatic hypotension - the sudden drop in blood pressure when you stand up that can make you feel faint.
Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating.
During a heart attack, the blood supply that normally nourishes the heart with oxygen is cut off and the heart muscle begins to die. Learn more.
Addison's disease occurs when the adrenal cortex is damaged and the adrenal glands do not produce enough of the steroid hormones cortisol and aldosterone.
Damage to the nerves that help your organs to function can cause a condition called autonomic neuropathy (AN) and is associated with other conditions.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.