Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:12585Abū Muslim al-Kashhī > ʿAmr b. Marzūq > Shuʿbah > Jābir > al-Shaʿbī > Ibn ʿAbbās

[Machine] That the Messenger of Allah ﷺ sent someone to Abu Tayba and he performed bloodletting for him and took from him half a sa' or more of his blood.  

الطبراني:١٢٥٨٥حَدَّثَنَا أَبُو مُسْلِمٍ الْكَشِّيُّ ثنا عَمْرُو بْنُ مَرْزُوقٍ أنا شُعْبَةُ عَنْ جَابِرٍ عَنِ الشَّعْبِيِّ عَنِ ابْنِ عَبَّاسٍ

«أَنَّ رَسُولَ اللهِ ﷺ بَعَثَ إِلَى أَبِي طَيْبَةَ فَحَجَمَهُ وَوَضَعَ عَنْهُ مِنْ خَرَاجِهِ نِصْفَ صَاعٍ أَوْ أَكْثَرَ»