(36) باب الْمُحْرِمِ يَحْتَجِمُ
Narrated Abdullah ibn Abbas:
The Messenger of Allah (ﷺ) had himself cupped in his head when he was in the sacred state (wearing ihram due to a disease from which he was suffering.
Reference: Sunan Abi Dawud 1836
In-book reference: Book 11, Hadith 116
English translation: Book 10, Hadith 1832