ʿUyūn akhbār al-Riḍā
Hadith 152152 - وَبِهذَا الإِسنادِ عَنِ الحُسَيْنِ بْنِ عَلِىٍعَلَيْهِمَاالسَّلاَمُ أَنَّهُ قالَ: دَخَلَ رَسُولُ اللَّهِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ عَلى عَلِىِّ َبنِ أَبى طالِبٍ عَلَيْهِ السَّلامُ وَهُوَمَحمُومٌ فَأَمَرَهُ بِأَكلِ الغُبَيراءِ.
31-152 According to the same documentation, on the authority of Al-Husayn ibn Ali (a.s.), “God’s Prophet (S) went to see Ali ibn Abi Talib (a.s.) when he had a fever. The Prophet (S) ordered him to eat mountain-ash.”