ropinirole

The condition persisted after giving birth and she was prescribed the dopamine agonist drug Ropinirole.

They said Ropinirole led to gambling debts and broken relationships.

In France, a court awarded damages to a father of two who complained that Ropinirole had given him compulsive homosexual urges, while another man without a criminal record began torturing cats.

In a statement, GSK told the BBC Ropinirole had been prescribed for more than 17 million treatments and undergone "extensive clinical trials".

The cases of what the GSK report from 2003 described as "deviant behaviour" involved two men who were prescribed Ropinirole for Parkinson's disease.