According to an article in the 'Irish Medical Journal' addiction to the painkiller codeine is "an epidemic verging on eruption” here in Ireland.Codeine is available in some over-the-counter products and  can be difficult to monitor if a particular patient is "codeine shopping" - travelling to different pharmacies to buy it. Adjunct Professor for general practice in Trinity College and Family Doctor in Kildare Dr. Brendan O’Shea joins Ivan to discuss how big of an issue this is.