Sunan Abi Dawud 3092
سنن أبي داود#3092Sahihحَدَّثَنَا سَهْلُ بْنُ بَكَّارٍ، عَنْ أَبِي عَوَانَةَ، عَنْ عَبْدِ الْمَلِكِ بْنِ عُمَيْرٍ، عَنْ أُمِّ الْعَلاَءِ، قَالَتْ عَادَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم وَأَنَا مَرِيضَةٌ فَقَالَ " أَبْشِرِي يَا أُمَّ الْعَلاَءِ فَإِنَّ مَرَضَ الْمُسْلِمِ يُذْهِبُ اللَّهُ بِهِ خَطَايَاهُ كَمَا تُذْهِبُ النَّارُ خَبَثَ الذَّهَبِ وَالْفِضَّةِ " .
Narrated Umm al-Ala: The Messenger of Allah (ﷺ) visited me while I was sick. He said: Be glad, Umm al-Ala' for Allah removes the sins of a Muslim for his illness as fire removes the dross of gold and silver
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 21:4