مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3501
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
Ibn ‘Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) was treated with cupping in his head when he was in ihram.
Musnad Ahmad 3524Its isnad is saheeh, al-Bukhari (1835) and Muslim (1202)]