Hadith 981:88
Hassan ibn Musa and Husayn ibn Muhammad narrated to us, they said: Shayban narrated to us, from Yahya—meaning Ibn Abi Kathir—who said: And Abu Qilabah al-Jarmi narrated to me, that he was informed that Shaddad ibn Aws, while he was walking with the Messenger of Allah (peace and blessings of Allah be upon him) in al-Baqi', passed by a man who was being cupped after eighteen nights of Ramadan had passed. The Messenger of Allah (peace and blessings of Allah be upon him) said: "The one who cups and the one who is cupped have broken their fast."
حدثنا حسن بن موسى، وحسين بن محمد قالا: حدثنا شيبان، عن يحيى يعني ابن أبي كثير قال: وحدثني أبو قلابة الجرمي، أنه أخبره، أن شداد بن أوس بينما هو يمشي مع رسول الله صلى الله عليه وسلم في البقيع مر على رجل يحتجم بعد ما مضى من رمضان ثمان عشرة ليلة، فقال رسول الله صلى الله عليه وسلم: " أفطر الحاجم والمحجوم "