Sahih al-Bukhari 5667
Sahih al-Bukhari · Book 75: Patients · To say "I am sick," or "Oh, my head!" or "My ailment has been aggravated"
Narrated Ibn Mas`ud:
حَدَّثَنَا مُوسَى ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُسْلِمٍ ، حَدَّثَنَا سُلَيْمَانُ ، عَنْ إِبْرَاهِيمَ التَّيْمِيِّ ، عَنِ الْحَارِثِ بْنِ سُوَيْدٍ ، عَنِ ابْنِ مَسْعُودٍ ـ رضى الله عنه ـ قَالَ دَخَلْتُ عَلَى النَّبِيِّ صلى الله عليه وسلم وَهْوَ يُوعَكُ فَمَسِسْتُهُ فَقُلْتُ إِنَّكَ لَتُوعَكُ وَعْكًا شَدِيدًا. قَالَ " أَجَلْ كَمَا يُوعَكُ رَجُلاَنِ مِنْكُمْ ". قَالَ لَكَ أَجْرَانِ قَالَ " نَعَمْ مَا مِنْ مُسْلِمٍ يُصِيبُهُ أَذًى مَرَضٌ فَمَا سِوَاهُ إِلاَّ حَطَّ اللَّهُ سَيِّئَاتِهِ كَمَا تَحُطُّ الشَّجَرَةُ وَرَقَهَا " .
I visited the Prophet (ﷺ) while he was having a high fever. I touched him an said, "You have a very high fever" He said, "Yes, as much fever as two me of you may have." I said. "you will have a double reward?" He said, "Yes No Muslim is afflicted with hurt caused by disease or some other inconvenience, but that Allah will remove his sins as a tree sheds its leaves."