The purpose of this project was to develop a wearable pain-monitoring system, composed of a belt and wrist component that integrates multimodal physiological sensors to assess pain in real time. The belt incorporates one electrocardiogram (ECG), two electromyograms (EMG), and two electrodermal activity (EDA) sensors into a compact, user-friendly device. Furthermore, the wrist component integrates an additional EDA sensor for more accurate data collection and validation purposes. Designed for continuous use, the belt prioritizes comfort, durability, and accurate data collection through a mobile device. The system employs advanced materials for flexibility, breathability, and moisture management while embedding robust circuits from the BITalino Revolution Plugged Kit and BITalino Mini shielded Kit for reliable signal processing for the belt and wrist component, respectively. This device targets individuals with irritable bowel syndrome (IBS), providing researchers and clinicians with real-time insights into physiological changes associated with pain episodes. The proposed belt offers a novel, wearable solution to pain monitoring, reducing reliance on self-reporting and improving patient outcomes.