Photon-counting computed tomography (CT) represents a significant advancement in imaging technology, offering profound benefits for emergency radiology departments. This review explores the potentially transformative impact of photon-counting CT (PCCT) on emergency radiology practices, focusing on its improvements in radiation dose management, contrast agent utilization, and diagnostic efficiency. By employing photon-counting detectors, this innovative CT technology can precisely differentiate between individual photon energies, allowing for a significant reduction in radiation exposure without compromising image quality. Furthermore, the enhanced sensitivity and spectral capabilities of photon-counting CT enable the use of lower amounts of intravenous contrast agents, minimizing the risk of contrast-induced nephropathy, particularly in vulnerable patient populations or in light of recent contrast media shortages. A critical advantage of photon-counting CT is its ability to provide detailed spectral information with every scan. This spectral data can differentiate and characterize various tissues and materials, potentially reducing the need for follow-up imaging. This feature is particularly beneficial in the emergency setting, where rapid and accurate diagnoses are crucial for patient management and outcomes, and where incidental findings are commonplace. The review highlights the potential of photon-counting CT to streamline diagnostic workflows, enhance the accuracy of initial assessments, and improve overall patient care in emergency radiology. As photon-counting CT technology continues to evolve, its integration into emergency radiology practice promises to redefine imaging standards, ensuring more precise, efficient, and safer diagnostic processes.