TIRMIDHI 2049:
from ʿImrān b. Ḥuṣayn —
"We were tested (with severe medical condition) so we were cauterized, but we did not have good results, nor was it successful for us." Another chain reports a similar narration.
الترمذي ٢٠٤٩:
عن عمران بن حصين —
أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنِ الْكَىِّ قَالَ فَابْتُلِينَا فَاكْتَوَيْنَا فَمَا أَفْلَحْنَا وَلاَ أَنْجَحْنَا