The Messenger of Allah (ﷺ) had himself cupped on the surface of his foot because of a pain in it while he was in the sacred state (wearing ihram).

Abu Dawud said: I heard Ahmad say: "Ibn Abi 'Arubah narrated it in Mursal form". Meaning from Qatadah.
Sunan Abi Dawud Book 11, Hadith 117
← Previous Hadith 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.

Sunan Abi Dawud Book 11, Hadith 116 Next Hadith → Nubaih bin Wahb said ‘Umar bin ‘Ubaid Allah bin Ma’mar had a complaint in his eyes. He sent (someone) to Aban bin ‘Uthman - the narrator Sufyan said that he was the chief of pilgrims during the season of Hajj – asking him what he should do with them. He said Apply aloes to them, for I heard ‘Uthaman narrating this on the authority of the Apostle of Allaah(ﷺ).

Sunan Abi Dawud Book 11, Hadith 118