مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2106
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) was treated with cupping when he was in ihram; he was treated with cupping on his head. Yazeed said: Because of a pain he felt.
Musnad Ahmad 2108Its isnad is saheeh, al-Bukhari (5700)]