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:7563Isḥāq b. Ibrāhīm > Khālid b. al-Ḥārith And ʿAbdah > Hishām b. ʿUrwah from his father > ʿĀʾishah

[Machine] The Messenger of Allah ﷺ said: "7564 and Al-Harith bin Miskeen recited it on him, and I heard from Ibn Al-Qasim who said: Malik narrated to us from Nafi', and Is'haq bin Ibrahim informed us, saying: Al-Mu'tamir and Muhammad bin Bishr narrated to us from Ubaidullah, from Nafi', from Abdullah bin Umar, from the Messenger of Allah ﷺ . And Al-Harith said from the Prophet ﷺ : 'Fever is a breath from the Hellfire, so cool it down with water.' Ibn Bishr said, 'The intensity of the fever.'"  

الكبرى للنسائي:٧٥٦٣أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ حَدَّثَنَا خَالِدُ بْنُ الْحَارِثِ وَعَبْدَةُ عَنْ هِشَامِ بْنِ عُرْوَةَ عَنْ أَبِيهِ عَنْ عَائِشَةَ قَالَتْ

قَالَ رَسُولُ اللهِ ﷺ 7564 وَالْحَارِثُ بْنُ مِسْكِينٍ قِرَاءَةً عَلَيْهِ وَأنا أَسْمَعُ عَنِ ابْنِ الْقَاسِمِ قَالَ حَدَّثَنِي مَالِكٌ عَنْ نَافِعٍ وَأَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ قَالَ أَخْبَرَنَا الْمُعْتَمِرُ وَمُحَمَّدُ بْنُ بِشْرٍ عَنْ عُبَيْدِ اللهِ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ عَنْ رَسُولِ اللهِ ﷺ وَقَالَ الْحَارِثُ عَنِ النَّبِيِّ ﷺ قَالَ «إِنَّ الْحُمَّى مِنْ فَيْحِ جَهَنَّمَ فَأَبْرِدُوهَا بِالْمَاءِ» قَالَ ابْنُ بِشْرٍ شِدَّةُ الْحُمَّى