PainDrainer AB is an eHealth company developing cloud-based applications for self-management of chronic pain, using multilevel Artificial Intelligent Systems. Conventional therapeutic strategies for pain management have, in most cases, very limited or no effect in reducing pain or increasing the quality of life for the patients. PainDrainer™ offers the first advanced self-management tool allowing the patients to identify pain triggers as well as pain protectors, based on analysis of data from each patient.