Musannaf Ibn Abi Shaybah

Hazrat Nu’man bin Salim narrates that a man sneezed in the presence of Hazrat Abdullah bin Amr (may Allah be pleased with him), so he supplicated for him by saying “Yarhamukallah” (may Allah have mercy on you). Then the man sneezed again, and he again said “Yarhamukallah.” When the man sneezed a third time, he said: “Surely, you are suffering from a cold.”

Hazrat Harith narrates that Hazrat Ali (may Allah be pleased with him) said: Say "Yarhamukallah" to the one who sneezes when he sneezes three times in front of you; if he sneezes more than that, then it is an illness.

Hazrat Iyas bin Salamah narrates that his father, Hazrat Salamah bin Akwa’, said: A man sneezed in the presence of the Holy Prophet (peace and blessings be upon him), so the Prophet (peace and blessings be upon him) said: “May Allah have mercy on you.” Then the man sneezed a second time, so the Prophet (peace and blessings be upon him) said: “He is suffering from a cold.”

Hazrat Mus'ab bin Abdur Rahman bin Dhuyaib narrates that a man sneezed in the presence of Hazrat Ibn Zubair, so he prayed for him by saying "Yarhamukallah." When he sneezed again, he prayed for him again by saying "Yarhamukallah." When he sneezed a third time, he again prayed for him by saying "Yarhamukallah." Then, when he sneezed a fourth time, Hazrat Abdullah bin Zubair said to him: "Surely, you are suffering from a cold; you should clean your nose."

Imam Sha'bi narrates that Hazrat Amr bin Al-Aas said: When any one of you sneezes three times, then pray for him by saying "Yarhamuk Allah" (may Allah have mercy on you), and if he sneezes more than that, then do not say "Yarhamuk Allah" to him, because this is an illness that is coming out from his head.

Hazrat Muhammad bin Ja'far bin Zubair narrates that a man sneezed in the presence of the Holy Prophet (peace and blessings be upon him), so the Prophet (peace and blessings be upon him) prayed for him by saying "Yarhamuk Allah" (may Allah have mercy on you). Then he sneezed again, and the Prophet (peace and blessings be upon him) prayed for him by saying "Yarhamuk Allah." He sneezed yet again, and the Prophet (peace and blessings be upon him) prayed for him by saying "Yarhamuk Allah." Then, when he sneezed a fourth time, the Holy Prophet (peace and blessings be upon him) said to him: "You are suffering from a cold, go and clean your nose."

Hazrat Hisham states that Hasan Basri, regarding the person who keeps sneezing repeatedly, said: You should say "Yarhamukallah" to him only once.

Hazrat Mansoor says that Hazrat Mujahid stated: It is sufficient to say "Yarhamukallah" once to such a person.