لا بأْسَ طَهـورٌ إِنْ شـاءَ الله
Lā ba'sa ṭahūrun in shā Allāh. Do not worry, it will be a purification (for you), Allah willing. Reference: Al-Bukhari, cf. Al-Asqalani Fathul-Bari 10/118.
Reference : Hisn al-Muslim 147
Fortress of the Muslim
When visiting the sick
2 supplications for this occasion.
أَسْـأَلُ اللهَ العَـظيـم، رَبَّ العَـرْشِ العَـظيـم أَنْ يَشْفـيك . (سبع مرات)
As'alullāha ‘l-`Aẓīma Rabba ‘l-`Arshil-`Aẓīmi an yashfiyak. I ask Almighty Allah, Lord of the Magnificent Throne, to make you well. (Recite seven times in Arabic .) Reference: At-Tirmidhi, Abu Dawud. See also Al-Albani, Sahih At-Tirmidhi 2/210 and Sahihul-Jami' As-Saghir 5/180.
Reference : Hisn al-Muslim 148