Jami at-Tirmidhi 2743d
Jami at-Tirmidhi · Book 43: Chapters on Manners · What Has Been Related About How Much Response Is Given To The Sneezing Person
And 'Abdur-Rahman bin Mahdi reported it from 'Ikrimah bin 'Ammar and it is similar to the narration of Ibn Al-Mubarak, but he said to him the third time:
وَرَوَى عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ ، عَنْ عِكْرِمَةَ بْنِ عَمَّارٍ ، نَحْوَ رِوَايَةِ ابْنِ الْمُبَارَكِ وَقَالَ لَهُ فِي الثَّالِثَةِ " أَنْتَ مَزْكُومٌ " . حَدَّثَنَا بِذَلِكَ إِسْحَاقُ بْنُ مَنْصُورٍ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ .
"You are suffering from a cold." (A chain to support that)