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.
nasai-kubra:3117Isḥāq b. Ibrāhīm > ʿĪsá b. Yūnus > Hishām > Muḥammad > Abū Hurayrah

[Machine] On the authority of the Messenger of Allah ﷺ , he said, "If a fasting person vomits unintentionally, then there is no need for him to break his fast. But if he deliberately induces vomiting, then he must make up for that day." This saying was narrated by Ata.  

الكبرى للنسائي:٣١١٧أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ أَخْبَرَنَا عِيسَى بْنُ يُونُسَ عَنْ هِشَامٍ عَنْ مُحَمَّدٍ عَنْ أَبِي هُرَيْرَةَ

عَنْ رَسُولِ اللهِ ﷺ قَالَ «إِذَا ذَرَعَ الصَّائِمَ الْقَيْءُ فَلَا إِفْطَارَ عَلَيْهِ وَإِذَا تَقَيَّأَ فَعَلَيْهِ الْقَضَاءُ» وَقَفَهُ عَطَاءٌ