The Messenger of Allah ﷺ said, "Allah has not sent down any disease without also sending down its cure."
حدثنا أبو بكر بن أبي شيبة وإبراهيم بن سعيد الجوهري قالا حدثنا أبو أحمد عن عمر بن سعيد بن أبي حسين حدثنا عطاء
قال رسول الله ﷺ ما أنزل الله داء إلا أنزل له شفاء
No references are available.
Reported by Bukhari, in the Book of Medicine, chapter "Allah has not sent down a disease without also sending down its cure," no. 5678, from the hadith of Abu Ahmad Zubayri, through this route.