The Prophet (ﷺ) said: When a man comes to visit a sick person, he should say: O Allah, cure Thy servant, who may then wreak havoc on an enemy for your sake, or walk at a funeral for your sake.

Abu Dawud said: Ibn As-Sarh (one of the narrators) said: "Ilas-salat (To the Salat)".
Sunan Abi Dawud Book 21, Hadith 19