Hadith 458:16
Muhammad ibn Ja'far narrated to us, he said: Shu'bah narrated to us, from 'Asim al-Ahwal, from Abu Qilabah, from Abu al-Ash'ath, from Shaddad ibn Aws, that the Messenger of Allah (may Allah bless him and grant him peace) passed by a man who was being cupped in Ramadan, and he said: "The one who cups and the one who is cupped have broken their fast."
حدثنا محمد بن جعفر، قال: حدثنا شعبة، عن عاصم الأحول، عن أبي قلابة، عن أبي الأشعث، عن شداد بن أوس، أن رسول الله صلى الله عليه وسلم مر برجل يحتجم في رمضان، فقال: " أفطر الحاجم والمحجوم "