The Messenger of Allah ﷺ was treated with cupping, paid the cupper his fee, and took medicine through his nose.
حدثنا عبد الله قال وبهذا الإسناد قال كذا قال أبي إن رسول الله ﷺ احتجم وأعطى الحجام أجره واستعط
Its isnad is sahih, and it is a repetition of 2337.