Abstract: This qualitative study investigated surgical nurses' perceptions of patient-controlled analgesia as a strategy for managing acute pain in a tertiary care hospital. Patient-controlled analgesia is commonly used and nurses play an essential role in caring for patients prescribed it. The study was divided into two parts. First, audiotaped semi-structured interviews were conducted with 10 nurses. The interviews were followed by a postal questionnaire to 336 nurses with 171 returned. Thematic analysis was the chosen methodology. The audiotaped transcripts and questionnaires surfaced five themes, with the dominant one being `I think PCA is great, but . . .'. The paper outlines and explores these themes and addresses the implications arising from the research for both clinical practice and education.