It is narrated from Hazrat Anas (may Allah be pleased with him) that he said: Abu Taybah (may Allah be pleased with him) performed cupping for the Messenger of Allah (peace and blessings be upon him), so he (peace be upon him) ordered that he be given one sa’ of dates, and he (peace be upon him) ordered his owners to reduce his levy.
Hadith Referenceمسند الإمام الشافعي / كتاب الأطعمة والصيد والذبائح / 1516
Hadith Takhrijاخرجه البخارى البيوع، باب ذكر الحجام (2102)۔