Nanotechnology involves exploring structures within the 0.1 to 100 nanometer range. In the realm of pharmaceuticals, it focuses on crafting atoms, molecules, or compounds of similar sizes into unique devices with specific attributes. This technology revolutionizes drug delivery systems, offering an alternative to conventional forms. By targeting disease-associated antigens and pathogens, pharmaceutical nanotechnology proves instrumental in combating diverse illnesses. Its success lies in addressing limitations of traditional dosage forms like pills, showcasing its potential in advancing healthcare.