A drug that has been successful in treating a rare, deadly parasitic infection has been made available to a Houston teen who is battling the brain-eating amoeba, the Centers for Disease Control and Prevention confirmed. CDC supplies drug to treat teen with brain-eating amoeba -- A drug that has been successful in treating a rare, deadly parasitic infection has been made available to a Houston teen who is battling the brain-eating amoeba, the Centers for Disease Control and Prevention confirmed.