IN-25
Invocations for visiting the sick
Laa ba'sa tahoorun 'inshaa'Allaah.
Do not worry, it will be a purification (for you) , Allah willing.
Reference:
Al-Bukhari, cf. Al-Asqalani Fathul-Bari 10/118.
'As'alullaahal-'Adheema Rabbal-'Arshil-'Adheemi 'an yashfiyaka.
I ask Almighty Allah , Lord of the Magnificent Throne, to make you well. (Recite seven times in Arabic .)
Reference:
At-Tirmithi, Abu Dawud. See also Al-Albani, Sahih At-Tirmithi 2/210 and Sahihul-Jami' As-Saghir 5/180
The reward for visiting the sick
When a man goes to visit his sick Muslim brother, he walks along a path of Paradise until he sits , and when he sits he is cloaked in mercy. If he comes in the morning, seventy thousand angels pray for him until evening, and if he comes in the evening, seventy thousand angels pray for him until morning.
Reference:
At-Tirmithi, Ibn Majah, Ahmad. See, Al-Albani, Sahih Ibn Majah 1/244, and Sahih At-Tirmithi 1/286. It was also graded authentic by Ahmad Shakir