Question: On the first day of Ramadaan and after offering the Fajr (Dawn) Prayer, I vomited unwillingly; do nausea and vomiting affect my Sawm (Fast)? I hope Your Eminence would answer me. May Allaah protect and take care of you. Al-salaamu `alaykum wa rahmatullaah wa barakaatuh (May Allaah’s Peace, Mercy, and Blessings be upon you).
Answer: If you vomit during the daytime in Ramadaan unwillingly, your Sawm is valid and you do not have to make up for that day. It was related by Aboo Daawood, Al-Tirmithee, and others on the authority of Aboo Hurayrah (may Allaah be pleased with him) that the Messenger of Allaah (peace be upon him) said: Anyone who has a sudden attack of vomiting while fasting is not required to make it up, but anyone who vomits intentionally must make it up.... read more here.