Chapter on Ruling of Treatment for the Fasting Person, Kohl, Cupping, the Tooth-Stick (Siwak), Entering the Bathhouse, and Other than That

Muhammad ibn Ahmad ibn Yahya, from Muhammad ibn Isa, from Ibn Mahbub, from Abdullah ibn Sinan, who said: Abu Abdillah عليه السلام, peace be upon him, was asked about ‘a fasting man who regurgitates (yaqlis), and something of food comes out from him. Does that break his fast?’ Imam عليه السلام said: “No.” I (narrator) asked: “If he swallows it after it has come onto his tongue?” Imam عليه السلام said: “That does not break his fast.”