Sahih al-Bukhari 6886
صحيح البخاري#6886SahihNarrated `Aisha:We poured medicine into the mouth of the Prophet (ﷺ) during his ailment. He said, "Don't pour medicine into my mouth." (We thought he said that) out of the aversion a patient usually has for medicines. When he improved and felt better he said, "There is none of you but will be forced to drink medicine, except Al-`Abbas, for he did not witness your deed
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: 87:25