Patients in pain have different levels of satisfaction. The experience of patients regarding medication is based on their past treatment. The mental satisfaction of the patients for laboratory medication is necessary for their health recovery. The satisfaction of patients is a challenge for healthcare institutes to provide better facilities to patients. The goal of this research is to investigate the impact of taking patch pain medication, taking oral pain medication, and taking intravenous medication on patients' satisfaction with laboratory pain medication. The model of this research is based on the gap in the literature. 645 responses were considered for data analysis with Smart PLS 3.0 for study findings. The findings disclosed the impact of taking patch pain medication, taking an oral medication, and taking intravenous medication is significant on patients' satisfaction with laboratory pain medication. The study has theoretically enriched the literature with a unique contribution to the study model. Practically, the study has discovered the ways the healthcare sector can improve the satisfaction of patients for their better health and satisfaction. The future directions highlighted by this study are useful for future studies to contribute to patients' satisfaction with laboratory medication.