It is narrated from Hazrat Abu Darda (may Allah be pleased with him) that once the Prophet vomited, so the Prophet (peace and blessings be upon him) broke his fast. Then water was brought to him and he performed ablution.
Hadith Referenceمسند احمد / من مسند القبائل / 27537
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد أخطأ فيه معمر