The origin of cupping therapy is explicitly described by the sources as unclear; Hippocrates used it in ancient Greece by the fifth century BC and independent wet-cupping traditions are attested in ancient Iran, with no single founding event connecting them.
What would resolve this A dated primary source establishing the earliest attested instance of therapeutic suction-cup use, or a specialist historical consensus that no such instance can be recovered.
OpenMedical HistoryWikipedia: Cupping Therapy