Sahih al-Bukhari 5678
صحيح البخاري#5678SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "There is no disease that Allah has created, except that He also has created its treatment
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 76:1