Sunan an-Nasa'i, Hadith 2847 ⓘ
It was narrated that Ibn Abbas said: "Prophet was treated by means of cupping when he was in Ihram." (Diaf) Chpater 93. Cupping To Treat The Muhrim For A Disease he Is Suffering From
أَخْبَرَنَا مُحَمَّدُ بْنُ مَنْصُورٍ، عَنْ سُفْيَانَ، قَالَ أَنْبَأَنَا عَمْرُو بْنُ دِينَارٍ، قَالَ سَمِعْتُ عَطَاءً، قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ، يَقُولُ احْتَجَمَ النَّبِيُّ صلى الله عليه وسلم وَهُوَ مُحْرِمٌ . ثُمَّ قَالَ بَعْدُ أَخْبَرَنِي طَاوُسٌ عَنِ ابْنِ عَبَّاسٍ يَقُولُ احْتَجَمَ النَّبِيُّ صلى الله عليه وسلم وَهُوَ مُحْرِمٌ .
also referenced under: Book 24, Hadith 0 (In-Book) & Volume 3, Book 24, Hadith 2850 (DarusSalam)