Sayyiduna Ali (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: When any of you sneezes, he should say: "Alhamdulillahi Rabbil 'Alamin" (All praise is due to Allah, Lord of the worlds), and those around him should say: "Yarhamukallah" (May Allah have mercy on you), and then the one who sneezed should say: "Yahdikumullah wa yuslihu balakum" (May Allah guide you and set your affairs right).

Dhul-Janahain Sayyiduna Abdullah bin Ja'far (may Allah be pleased with them both) narrates that when the Noble Prophet (peace and blessings be upon him) sneezed and said "Alhamdulillah," it would be said to him in reply: "Yarhamukallah." Then the Prophet (peace and blessings be upon him) would say: "Yahdikumullah wa yuslihu balakum" (May Allah guide you and set your condition right).

Sayyiduna Abu Ayyub Ansari (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: When any one of you sneezes and says "Alhamdulillah ‘ala kulli hal" (All praise is due to Allah in every circumstance), then the one who replies to him should say: "Yarhamukallah" (May Allah have mercy on you), and in response to this, the one who sneezed should then say: (May Allah guide you and rectify your condition).

Hilal bin Yasaf narrates from a man of the family of Khalid bin Urfutah, who says: I was on a journey with Sayyiduna Salim bin Ubaid. A man sneezed and said, "As-Salamu Alaikum." Salim bin Ubaid replied to him, "Peace be upon you and your mother." Then he walked on and said to the one who sneezed, "Perhaps you are upset?" He replied, "I did not intend for you to mention my mother here (what you did was inappropriate)." He said, "But there was no other way except to say this, because I was on a journey with the Noble Prophet (peace and blessings be upon him), a man sneezed and said, 'As-Salamu Alaikum,' and the Prophet (peace and blessings be upon him) replied to him, 'Peace be upon you and your mother.' Then the Prophet (peace and blessings be upon him) said: When any of you sneezes, he should say, 'Alhamdulillah ala kulli hal' or 'Alhamdulillahi Rabbil Alamin.' The listener should reply to him, 'Yarhamukallah,' and the one who sneezed should then say, 'Yaghfirullahu li wa lakum' (May Allah forgive me and you)."

Lady Aisha (may Allah be pleased with her) narrates that a man sneezed in the presence of the Holy Prophet (peace and blessings be upon him) and said: O Messenger of Allah! What should I say? The Prophet (peace and blessings be upon him) said: Say "Alhamdulillah" (All praise is due to Allah). The people said: O Messenger of Allah! What should we say now? The Prophet (peace and blessings be upon him) said: You should say "Yarhamukallah" (May Allah have mercy on you). The one who sneezed said: O Messenger of Allah! What should I say for them now? The Prophet (peace and blessings be upon him) said: You should say: "Yahdikumullah wa yuslihu balakum" (May Allah guide you and set your affairs right).

Syedna Abu Musa Ash'ari, may Allah be pleased with him, narrates that the Jews used to sneeze in the presence of the Noble Prophet, peace and blessings be upon him, hoping that he would say to them, "Yarhamukumullah" (May Allah have mercy on you). But the Prophet, peace and blessings be upon him, would reply to them: "Yahdikumullah wa yuslihu balakum" (May Allah guide you and set your affairs right).

It is narrated from Sayyiduna Salamah bin Akwa’ (may Allah be pleased with him), he says: I was sitting with the Messenger of Allah, when a man sneezed and said (Alhamdulillah). The Prophet (peace and blessings be upon him) replied:“Yarhamukallah (may Allah have mercy on you).”Then he sneezed a second time, so the Prophet (peace and blessings be upon him) said:“This man has a cold.”