Jami` at-Tirmidhi 2045
جامع الترمذي#2045SahihAbu Hurairah narrated:"The Messenger of Allah (s.a.w) forbade from cures that are Khabith." [Abu 'Elsa said:] Meaning poison
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 28:10