Abu Dawud Book 7, Hadith Number 2374.Abu Dawud Book 7. Fasting Chapter : Not known. Narated By AbuHurayrah : The Prophet (PBUH) said: if one has a sudden attack of vomiting while one is fasting, no atonement is required of him, but if he vomits intentionally he must make atonement. Related Previous Post Abu Dawud Book 7, Hadith Number 2378. Next Post Abu Dawud Book 7, Hadith Number 2370.