Does vomiting break the fast?
Short answer
Whoever is overcome by vomiting without choice has no making up to do, and whoever induced vomiting deliberately must make up.
Evidence and explanation
The Shaykh cited the hadith distinguishing between one overcome by vomiting and one who induced it.
Scholar referenced
This editorial summary is based on the original source linked below and is not presented as a verbatim quotation from the scholar.
From the text of the answer (Arabic, with an English translation)
Original answer — Shaykh ‘Abd al-‘Aziz ibn Baz
حكم من ذرعه القيء وهو صائم — مجموع فتاوى ومقالات الشيخ ابن باز (١٥/ ٢٦٥).- Question
«ما حكم من ذرعه القيء وهو صائم، هل يقضي ذلك اليوم أم لا؟»
English translation (unreviewed): What is the ruling on one who is overcome by vomiting while fasting: does he make up that day or not?
- From the text of the answer
«حكمه أنه لا قضاء عليه، أما إن استدعى القيء فعليه القضاء؛ لقول النبي ﷺ: من ذرعه القيء فلا قضاء عليه، ومن استقاء فعليه القضاء [١] . خرجه الإمام أحمد وأهل السنن الأربع بإسناد صحيح من حديث أبي هريرة .»
English translation (unreviewed): His ruling is that no making up is required of him. But if he induced vomiting, he must make up the day, because of the saying of the Prophet ﷺ: “Whoever is overcome by vomiting has no making up to do, and whoever induces vomiting must make up” [1]. Reported by Imam Ahmad and the four Sunan with a sound chain from the hadith of Abu Hurayrah.
The Arabic excerpts matched the original page word for word by an automated check and have not had human scholarly review. The English translations are unreviewed translations made for this site; they are not an approved Shari‘ah translation. Rely on the Arabic original.
Source
Ruling on one overcome by vomiting while fasting
Title of the original page (Arabic): حكم من ذرعه القيء وهو صائم
Shaykh ‘Abd al-‘Aziz ibn Baz, may Allah have mercy on him