Hadith 1768
Sayyiduna Shaddad bin Aws (may Allah be pleased with him) said: I was with the Messenger of Allah (peace and blessings be upon him) on the eighteenth of Ramadan when he saw a man who was getting cupped. He (the Prophet) said: "The one who does cupping and the one who gets cupped, their fast is broken."
Hadith 1769
Sayyiduna Thawban (may Allah be pleased with him) narrated that the Messenger of Allah (peace and blessings be upon him) was going towards Baqi‘ when he saw a man being cupped. He said: "The one who does cupping and the one who gets cupped, their fast is broken." Imam Darimi (may Allah have mercy on him) said: I avoid cupping while fasting in Ramadan. Imam Darimi (may Allah have mercy on him) was asked: Do you say this, that one should avoid cupping while fasting? He replied: Yes.