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.
عَادَنِي رَسُولُ اللَّهِ ﷺ وَأَنَا مَرِيضَةٌ فَقَالَ أَبْشِرِي يَا أُمَّ الْعَلاَءِ فَإِنَّ مَرَضَ الْمُسْلِمِ يُذْهِبُ اللَّهُ بِهِ خَطَايَاهُ كَمَا تُذْهِبُ النَّارُ خَبَثَ الذَّهَبِ وَالْفِضَّةِ