New drug Zomacton (sometimes called Zoma-Jet) has been linked to gynecomastia, or breast tissue growth, in young boys and male adolescents. The injection drug is approved to help stimulate growth in children who have insufficient growth hormone secretion that may lead to short stature or delayed puberty.
Gynecomastia is a condition in which males develop breast tissue due to high levels of the hormone prolactin. The condition is a serious side effect that has been linked to other drugs as well, including the antipsychotic drug Risperdal — which is often given to children to treat symptoms of bipolar disorder and ADHD.
Manufacturer Janssen Pharmaceuticals and parent company Johnson & Johnson faces multiple Risperdal lawsuits alleging the drug caused gynecomastia. In February, an Alabama jury awarded millions of dollars to a young man who developed size 46 DD breasts after being given Risperdal since he was 12 years old.