Classification of Pharmaceuticals: Biologics vs. Conventional Medicines

Diagram showing Classification of Drugs by Origin

Introduction Medicines can be separated into two broad groups. The first is ‘Synthetic Medicines‘. As the name suggests they are created through supervised chemical synthesis. The associated chemical reactions are relatively simple and often sequential. The final active substances produced are small molecules with relatively simple chemical structures, an example being aspirin (Figure 2). Natural Products By contrast natural products are derived from comparatively complex starting materials sourced from the ‘Natural Environment‘. More specifically, they are derived from … Read More