An Electrotherapy Device is a type of medical equipment used in physical therapy and rehabilitation to deliver controlled electrical energy to the body for therapeutic purposes. These devices use various waveforms and frequencies of electrical current to interact with the neuromuscular system.

Primary applications include pain management (both acute and chronic, often using TENS—Transcutaneous Electrical Nerve Stimulation), muscle re-education (using EMS—Electrical Muscle Stimulation), promoting tissue healing, and reducing swelling and inflammation. Common electrotherapy modalities include Interferential Current (IFC), Russian Stimulation, High-Volt Pulsed Current, and Microcurrent. These devices are non-invasive and serve as a crucial tool for physical therapists and chiropractors seeking to accelerate recovery and restore functional mobility.