181. hadíth
وَ قَالَ عَلَيْهِ اَلسَّلاَمُ: «كُلُّ مَا أَضَرَّ بِهِ اَلصَّوْمُ فَالْإِفْطَارُ لَهُ وَاجِبٌ».
Imam (a.s) said: "Anything that harms a person due to fasting makes breaking the fast obligatory for them."
Man Lā Yaḥḍuruh al-Faqīh
Shaykh Muḥammad b. ʿAlī al-Ṣaduq
Book of Fasting
Chapter on the Extent of Illness That Permits Breaking the Fast
A fordítás angol nyelvű (Bab Ul Qaim Publications), forrás: Thaqalayn.net.