No black box warning on record for D-4
As of the latest FDA labeling reviewed, D-4 (QUININE ARSENITE, PHOSPHORIC ACID, MATRICARIA CHAMOMILLA, CITRULLUS COLOCYNTHIS FRUIT PULP, MERCURIC CHLORIDE, VERATRUM ALBUM ROOT, BAPTISIA TINCTORIA, FERROSOFERRIC PHOSPHATE, NERIUM OLEANDER LEAF, AND TOXICODENDRON PUBESCENS LEAF) does not carry a black box warning. Standard warnings and precautions still apply — see the full D-4 medicine page for the complete safety profile.