It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) said: Whoever among the Muslims visits a sick person whose time of death has not yet come, and recites this supplication seven times: "As'alullāhal-'Azīma Rabbal-'Arshil-'Azīmi an yashfiyaka," then he will be granted healing.
Narrated from Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) said: When a person goes to visit a sick person, he should say these words: "O Allah! Cure Your servant, so that he may strike down an enemy for You, and walk towards prayer for You."
It is narrated from Sayyiduna Abu Umamah (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: The complete manner of visiting a sick person is that one should place his hand on the patient's forehead or hand and then ask about his condition, and the complete greeting is that one should also shake hands.
Hadith Takhrij«اسناده ضعيف جدّا، عبيد الله بن زحر الافريقي و علي بن يزيد الالھاني ضعيفان، أخرجه الترمذي: 2731 ، (انظر مسند أحمد ترقيم الرسالة: 22236 ترقیم بيت الأفكار الدولية: 22591»
Lady Aisha (may Allah be pleased with her) narrates that when the Messenger of Allah (peace and blessings be upon him) would visit a sick person, he would make this supplication: "Remove the illness, Lord of the people, and grant healing, surely You are the Healer, there is no healing except Your healing, grant such a healing that leaves behind no sickness." (O Lord of the people! Remove the illness and grant healing, surely You are the only Healer, and there is no healing except Your healing, grant such a healing that leaves no disease behind.)
It is narrated from Sayyida Umm Salama (may Allah be pleased with her), the Messenger of Allah (peace and blessings be upon him) said: When you are present with a deceased person or a sick person, say good things, because whatever you say, the angels say Ameen to it.
Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates that a Bedouin was suffering from fever. The Prophet (peace and blessings be upon him) went to visit him and said: "It is an expiation and a purifier." But the Bedouin said: "No, rather it is a fever that is boiling over an old man and showing him the graves." Upon hearing this, the Prophet (peace and blessings be upon him) stood up and left him.