The terms proximal (from Latin proximus, meaning 'nearest') and distal (from Latin distare, meaning 'to stand away from') are used to describe parts of a feature that are close to or distant from the main mass of the body, respectively.
But, with Citrucel and/or Metamucil you can start with one teaspoon mixed in water or juice. If you have diarrhea don't use the preparation with artificial sweeteners. Use the one with sugar. I think artificial sweeteners (some of them) might cause more diarrhea.
Metamucil (Psyllium powder) Metamucil, also known by its active ingredient, Psyllium powder, is a dietary supplement that adds soluble fiber to the diet. Metamucil can be used to treat both constipation and diarrhea. Metamucil is used to treat mild to moderate diarrhea associated with Crohnâs disease and ulcerative colitis.