The toxic substance responsible for floppy baby syndrome is: (A) Lithium, (B) Cadmium, (C) Antimony, (D) Barium
Answer is A. It is seen in newborn babies breastfed by lithium-ingesting mothers due to disruption of afferent inputs from stretch receptors. Manifesting as hypotonicity, lethargy, and cyanosis (floppy baby syndrome).