Chapter on Extent of Illness in Which Breaking the Fast Becomes Obligatory

And from him, from Muhammad ibn Yahya and others, from Muhammad ibn Ahmad, from Ahmad ibn al-Hasan, from Amr ibn Said, from Musaddiq ibn Sadaqa, from Ammar al-Sabati, from Abu Abdillah عليه السلام: (Imam عليه السلام was asked) regarding ‘a man who finds pain in his head from a severe headache, Is it permissible for him to break the fast?’ Imam عليه السلام said: “If he is afflicted with a severe headache, and if he is afflicted with a severe fever, and if his eye becomes inflamed with severe inflammation, then breaking the fast has become lawful for him.”