A small amount of blood or fluid may drain from the site.

There was only a small amount of fluid in the lungs, he said.

One factor is the amount of fluid on the brain.

It seemed a massive amount of fluid, spreading out over the floor.

This occurs if a significant amount of free fluid is present.

If a large amount of fluid is present, it may be difficult to breathe.

This results in an increased amount of fluid inside the eye, thus raising the pressure.

It decreases the amount of fluid that can build up in the eye.

"Making you drink a huge amount of fluid and run in circles."

If there is only a small amount of fluid, draining it may not be needed.