But Evans who had depression and a personality disorder found it difficult to cope and considered taking her own life by jumping off her balcony and overdosing on Mr Ballinger's morphine tablets.

BBC: Islington carer guilty of ex-partner's manslaughter

The FDA's warning letters notified the companies they may be subject to legal action if they do not stop manufacturing and distributing "prescription unapproved products" that include high-concentrate morphine sulfate oral solutions and immediate-release tablets containing morphine sulfate, hydromorphone or oxycodone.

CNN: FDA warns makers of unapproved narcotics