Hadith 4:452
Ibn ‘Ulayyah narrated to us, from Humayd, who said: Anas was asked about cupping for the fasting person. He said: "We did not use to consider anything of that disliked except for the exhaustion it causes."
حدثنا بن علية عن حميد قال سئل أنس عن الحجامة للصائم فقال ما كنا نحسب يكره من ذلك إلا جهده