The Sufficient (Vol 8) · Hadith 230 (#Ḥadīth #1)
Chapter 230 | Permission to cut veins
عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ يُونُسَ بْنِ يَعْقُوبَ قَالَ قُلْتُ لِأَبِي عَبْدِ اللَّهِ (عليه السلام) الرَّجُلُ يَشْرَبُ الدَّوَاءَ وَ يَقْطَعُ الْعِرْقَ وَ رُبَّمَا انْتَفَعَ بِهِ وَ رُبَّمَا قَتَلَهُ قَالَ يَقْطَعُ وَ يَشْرَبُ.
230. Ali Bin Ibrahim, from his father, from Ibn Abi ‘Umayr, from Yunus Bin Yaqoub who said: I said to Abu Abdullah , ‘The man drinks the medicine, and cuts the vein, and perhaps it benefits him and perhaps it kills him’. He said: ‘He can cut and he can drink’.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).