Pharmaceutical sales refers to the process of promoting and selling prescription drugs or medications to healthcare professionals, such as doctors, pharmacists, and other medical personnel. The primary goal is to educate these professionals about a particular drug's benefits, dosage information, possible side effects, and proper usage in order to increase the likelihood that they will prescribe or recommend it to their patients. Pharmaceutical sales representatives typically work for pharmaceutical companies and visit healthcare providers at their places of business, providing them with samples, product literature, and other promotional materials. They may also attend medical conferences and other events in order to network and build relationships with professionals within the industry. Overall, pharmaceutical sales is a competitive field that requires strong communication skills, knowledge of the products being sold, and an ability to build trusting relationships with healthcare providers.