No black box warning on record for Effer-K 20 Meq Unflavored
As of the latest FDA labeling reviewed, Effer-K 20 Meq Unflavored (POTASSIUM BICARBONATE) does not carry a black box warning. Standard warnings and precautions still apply — see the full Effer-K 20 Meq Unflavored medicine page for the complete safety profile.