No black box warning on record for E.n.v.
As of the latest FDA labeling reviewed, E.n.v. (BELLADONNA, BERBERIS VULG, CARDUUS MAR, CHELIDONIUM MAJ, COLOCYNTHIS, DIOSCOREA, HYDRASTIS, LYCOPODIUM, NAT SULPHURICUM, NUX VOM, PHOS, PULSATILLA, VERATRUM ALB) does not carry a black box warning. Standard warnings and precautions still apply — see the full E.n.v. medicine page for the complete safety profile.