Many causes: Blackouts on standing strongly suggests orthostatic hypotension. There are many causes. A few examples: gunshot wound, sepsis, many medicines, internal bleeding, sunstroke, anaphylaxis - and many others.
Answered 5/14/2016
3.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question