Hadith 4:322
'Abd al-Rahim ibn Sulayman narrated to us, from 'Ubayd Allah ibn 'Umar, from Nafi', from Ibn 'Umar: That he used to say: "Whoever is overcome by vomiting while he is fasting, he does not break his fast. And whoever vomits intentionally, he has broken his fast."
حدثنا عبد الرحيم بن سليمان عن عبيد الله بن عمر عن نافع عن بن عمر أنه كان يقول من ذرعه القيء وهو صائم فلا يفطر ومن تقيأ فقد أفطر