the Messenger of Allah said: "Three things do not break the fast of the fasting person: Cupping, vomiting, and the wet dream."
Jami` at-Tirmidhi Book 8, Hadith 38
← Previous Hadith the Prophet said: "Whoever died while he had a month to fast, then a needy person should be fed on his behalf in place of every day."

Jami` at-Tirmidhi Book 8, Hadith 37 Next Hadith → the Prophet said: "Whoever is overcome by vomiting, then he is not required to make up (the fast), and whoever vomits on purpose, then he must make it up."

Jami` at-Tirmidhi Book 8, Hadith 39