Lucy’s on her lunchbreak when she tries her first scratchcard - soon, she’s hooked. She’s never been interested in gambling before, but after a few months the glove compartment of her car is full of scratchcards. And then she starts gambling online…

Lucy’s taking a medication called Aripiprazole for her mental health condition. It’s a partial dopamine agonist - a different mechanism to the dopamine agonist drugs used for Parkinson’s and Restless Legs Syndrome that we’ve heard about in previous episodes.

But it’s got similar side effects. For Lucy, this means compulsive eating, hypersexuality - and a gambling problem that’s spiralling out of control.

Details of organisations offering help and support with some of the issues raised are available at bbc.co.uk/actionline.

If you have any concerns about medication you’re taking, speak to your doctor.

Presenter: Noel Titheradge