It is narrated from Hazrat Fadala (may Allah be pleased with him) that one day the Noble Prophet (peace and blessings be upon him) was fasting. The Noble Prophet (peace and blessings be upon him) vomited, so he broke his fast.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23966
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا سند حسن فى المتابعات والشواهد من أجل عبدالله بن عياش