Pill-rolling phenomenon Last edited and medically reviewed by Alaric Steinmetz on 30.11.2023 Synonyms Münzenzähler-Tremor, Pillendreher-Tremor, Geldzähl-Tremor The pill-rolling phenomenon is a form of resting tremor of the fingers that occurs primarily in Parkinson disease. NomenclatureThe rhythmic tremor movement resembles the actions involved in rolling pills or counting coins.