A system for monitoring and measuring itch of a patient includes a wearable device including an actigraph sensor； and a controller electrically connected to the wearable device and including a processor and a memory. The wearable device is configured to measure, via the actigraph sensor, a movement of the patient； and send data indicative of the measured movement of the patient to the controller. The controller is configured to receive, via the processor, the data indicative of the measured movement； and determine, via the processor, a scratching movement of the patient based on the data indicative of the measured movement.
