Abu Dawud said: THis was peculiar to the Prophet (ﷺ), but some people have allowed to use it, i.e. antidote.
In-book : Book 29, Hadith 15
English translation : Book 28, Hadith 3860
29. Medicine (Kitab Al-Tibb)
باب الْخَاتَمِ يَكُونُ فِيهِ ذِكْرُ اللَّهِ يَدْخُلُ بِهِ الْخَلاَءَ