“The Messenger of Allah (ﷺ) forbade treating illness with foul things (Khabith), meaning poison.”*
Sunan Ibn Majah Book 31, Hadith 24
← Previous Hadith “The Prophet (ﷺ) set out in the early morning and I did likewise. I prayed, then I sat. The Prophet (ﷺ) turned to me and said: ‘Do you have a stomach problem?’* I said: ‘Yes, O Messenger of Allah.’ He said: ‘Get up and pray, for in prayer there is healing.’”

Another chain with similar wording. Abu `Abdullah said: A man narrated it to his people, then they were stirred up against him.

Sunan Ibn Majah Book 31, Hadith 23 Next Hadith → “Whoever drinks poison and kills himself, will be sipping it in the fire of Hell forever and ever.’”

Sunan Ibn Majah Book 31, Hadith 25