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How is barium sulfate eliminated from the body after a CT scan?

Drank 500 ml 1% barium sulfate for a CT scan. I have drank over the required 4 cups of water. How is the barium sulfate eliminated? Does it all come out in a bowel movement? Is some of it absorbed by the body? How long does it take to leave the body? If I don't have a bowel movement soon, should I take a laxative?

Public Comments

1. It will be eliminated during bowel movements. They should have given you a stool softener. It will come out as little white rock like substances. You may just notice your stool being white. Not always pleasant and easier if you have taken a stool softener. A laxative may make cramping worse. There are softener available over the counter at most drug stores like Walgreens. You may feel constipated for a day, but eventually, they will pass. Keep drinking the water.