Headaches triggered by OTC codeine overlooked

OTC codeine products are an overlooked cause of medication-overuse headache, say neurologists, and another reason why they should become prescription-only.

Focus on the misuse and addiction to OTC codeine has sidelined its role as a major contributor to medication-overuse headache, writes Associate Professor Richard Stark and colleagues from the neurology service of Alfred Health, Melbourne in this week's Medical Journal of Australia.