Part 4 of our Foundation Course tackles that subject of Constitutional Sensitivity in Homeopathic Medicine. The day begins with an outline of the concept of Constitution. We discuss the historical aspects and introduce ways in which typological and behavioural characteristics can influence treatment choices. We also describe the most important contextual prescribing indications for 6 important polychrest remedies and illustrate these with case studies. The afternoon is dedicated to remedies for Grief, Anxiety and Shock. The psychological indicators for a further six remedies is described in detail.