Man Lā Yaḥḍuruh al-Faqīh
Hadith 3721943 - وَ رَوَى بَكْرُ بْنُ مُحَمَّدٍ اَلْأَزْدِيُّ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: سَأَلَهُ أَبِي وَ أَنَا أَسْمَعُ عَنْ حَدِّ اَلْمَرَضِ اَلَّذِي يَتْرُكُ اَلْإِنْسَانُ فِيهِ اَلصَّوْمَ قَالَ «إِذَا لَمْ يَسْتَطِعْ أَنْ يَتَسَحَّرَ ».
Hadith.1943 - Bakr ibn Muhammad al-Azdi narrated from Abu Abdullah (as):
"My father asked him while I was listening about the extent of illness that permits a person to leave fasting.
Imam (as) said: 'When they are unable to take suhoor (the pre-dawn meal).'"