The authority to prescribe raises a range of important ethical concerns. This chapter provides an account of the ethical issues in independent and supplementary prescribing with an overview of ethical frameworks, medical and non-medical prescribers. The core of ethical considerations of prescribing is the imbalance of power between the prescriber and patient where there is the potential for abuse and the power to control. As such, links to governing bodies are included with specific relationships between ethics and codes to remind practitioners that objective external standards are necessary to ensure they have a frame of reference against which to judge their actions