To the Editor: Frei and colleagues recently drew our attention to combination analgesic misuse-related morbidity.1 The same phenomenon has also been reported in New Zealand.2 About 50 years ago, analgesic misuse was widespread in Australia and commonly involved chronic, excessive use of combination analgesics (including the aspirin–phenacetin–caffeine [APC] products, Bex and Vincent’s Powders). After many years, some people who used APC developed “analgesic nephropathy”, which made up 12%–15% of dialysis cases.3
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