Any effect is short-lived and probably due to the removal of excess fluid.
Weight gain and swelling from excess fluid can also occur.
Drain - Used to remove excess fluids, such as blood.
Your body may retain excess fluid and not make enough red blood cells.
All but one of the patients were tested and treated for excess fluid in the brain.
"Within several days to a week, the excess fluid went away."
The filtered blood - free of the excess fluid - is then returned to the patient.
The technique may be used to also withdraw excess fluid from the joint.
When this happens, there's a tendency for excess fluid to build up in the body.
After four to six hours, the excess fluids would be removed through the kidneys.