Become a pharmacist with this?Postgraduate Certificate in Pharmacist Prescribing - Pharmacy offered by?University of Otago. Pharmacists are health professionals. They are the experts on medicine in the community. They have the skills and knowledge to help patients understand and use their medicines in the most appropriate way. The practice of pharmacy includes the development and manufacture of medicines, the supply and dispensing of medicines to patients, and the giving of information about medicines, drug therapy and disease management to patients, doctors and other health professionals.