DRUG DOSAGE FORMS & DELIVERY SYSTEMS


Dialysis

Dialysis is defined as a process whereby substances may be separated from one another in solution, by taking advantage of their differing diffusibility through membranes.

Types of Dialysis Solutions:
  • Peritoneal dialysis solutions

    These solutions are allowed to flow into the peritoneal cavity to remove toxic substances normally excreted by the kidney. This dialysis solution contains:

    • Dextrose, vitamins, minerals, electrolytes, amino acids or peptides

    The peritoneal dialysis solution containing hypertonic dialysis solution acts as a semi-permeable membrane and allows for the flow of undesired elements into the peritoneal dialysis fluid, which is removed by peritoneal tube to collection vessels.

  • Hemodialysis solutions

    These solutions are employed to remove toxins from the bloodstream.

    In hemodialysis, the arterial blood is shunted (transferred or turned) through a polyethylene catheter, through a artificial dialyzing membrane, bathed in electrolyte solution.