Sahih Muslim 4041
صحيح مسلم#4041SahihIbn Abbas (Allah be pleased with them) reported that Allah's Messenger (ﷺ) got himself cupped and he paid the clipper his charges and he put medicine in his nostrils
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 22:80