That the Messenger of Allah was treated by means of cupping when he was in Ihram.  

أَنَّ رَسُولَ اللَّهِ ﷺ احْتَجَمَ وَهُوَ مُحْرِمٌ  

The Prophet was treated by means of cupping when he was Ihram.  

أَنَّ النَّبِيَّ ﷺ احْتَجَمَ وَهُوَ مُحْرِمٌ  

"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  

سَمِعْتُ ابْنَ عَبَّاسٍ يَقُولُ احْتَجَمَ النَّبِيُّ ﷺ وَهُوَ مُحْرِمٌ ثُمَّ قَالَ بَعْدُ أَخْبَرَنِي طَاوُسٌ عَنِ ابْنِ عَبَّاسٍ يَقُولُ احْتَجَمَ النَّبِيُّ ﷺ وَهُوَ مُحْرِمٌ