No black box warning on record for Optison Perflutren Protein-Type A Microspheres
As of the latest FDA labeling reviewed, Optison Perflutren Protein-Type A Microspheres (HUMAN ALBUMIN MICROSPHERES AND PERFLUTREN) does not carry a black box warning. Standard warnings and precautions still apply — see the full Optison Perflutren Protein-Type A Microspheres medicine page for the complete safety profile.