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.
Over-the-counter medications are available to help treat the symptoms of diarrhea, but if your diarrhea lasts for more than four days, contact a healthcare professional. Below are some of the nonprescription medications available to treat diarrhea: Treatments containing bismuth subsalicylate, such as Pepto-Bismol and Kaopectate.