Yonus bin Abi Ishaq يونس بن أبي إسحاق · Medicine (Kitab Al-Tibb)

I heard the Messenger of Allah (ﷺ) say: If I drink an antidote, or tie an amulet, or compose poetry, I am the type who does not care what he does. Abu Dawud said: THis was peculiar to the Prophet (ﷺ), but some people have allowed to use it, i.e. antidote.