Ata' bin Abi Muslim عطاء بن أبي مسلم · Chapters on Medicine

“When the Messenger of Allah (ﷺ) came to a sick person, he would make supplication for him, and would say: Adhhibil-bas, Rabban-nas, washfi Antash-Shafi, la shifa’a illa shifa’uka shifa’an la yughadiru saqama (Take away the pain, O Lord of mankind, and grant healing, for You are the Healer, and there is no healing but Your healing that leaves no trace of sickness).’”