No black box warning on record for Whp Hay Fever
As of the latest FDA labeling reviewed, Whp Hay Fever (ONION - ARSENIC TRIOXIDE - GELSEMIUM SEMPERVIRENS ROOT - STRYCHNOS NUX-VOMICA SEED) does not carry a black box warning. Standard warnings and precautions still apply — see the full Whp Hay Fever medicine page for the complete safety profile.