Ellune is a TENS device for the temporary relief of menstrual pain and discomfort for primary dysmenorrhea, when the pain associated with menstruation is not caused by any underlying gynaecological disorder. Do not use during pregnancy, if you have implanted electrical devices, heart rhythm problems or epilepsy. If you experience any irritation, itching or marking of the skin or any other adverse symptoms from using this device, discontinue use immediately. Please consult your doctor if you are concerned about the applicability of the product in relation to your condition. If you experience new, unexpected or worsening pain, seek medical advice