Kline & Specter is a leader in litigation involving the anti-psychotic drug Risperdal, which has been linked to abnormal breast development in male children, adolescents and adults, a condition known as gynecomastia. The ailment, caused by an increase in the hormone prolactin, can often be painful and is irreversible. It can only be treated by surgery to remove the growth. Kline & Specter is currently representing more than 250 clients in lawsuits already filed in court and is investigating more than 100 other possible claims. The law firm is teamed in these cases with the Sheller, PC, law firm, which pioneered the Risperdal litigation. Both firms are based in Philadelphia and handle cases nationwide. Get more information about Risperdal lawsuits.