Voltfast can be used for short-term treatment in the following conditions: Sprains, strains or other injuries; Pain and swelling after surgery; Painful menstruation; Migraine attacks; Back pain syndrome, "frozen shoulder", "tennis elbow" and other forms of soft tissue rheumatism; Infections of the ear, nose or throat. In migraine Voltfast relieves headaches and improves the accompanying symptoms such as nausea and vomiting.