This week on The Tox Lab, we're discussing silver toxicity and the toxicological consequences of using silver outside its established medical applications.
We begin by exploring the legitimate uses of silver in medicine, including wound dressings, topical preparations, and antimicrobial coatings on medical devices. We then turn to the claims surrounding colloidal silver, including its promotion as a treatment for a wide range of conditions despite a lack of evidence supporting many of these uses.
We then examine argyria, a condition caused by the accumulation of silver in the body that can lead to permanent blue-grey discolouration of the skin. We discuss the case of Paul Karason, better known as "Papa Smurf", and explore how his use of colloidal silver made him one of the most recognisable examples of the potential consequences of long-term silver exposure.
Finally, we examine a case of severe anaemia associated with colloidal silver ingestion, discussing the potential mechanisms of toxicity and the challenges of recognising the role of alternative and unregulated products in serious clinical presentations.
Join us as we explore the medical uses, alternative claims, and toxicological consequences of silver exposure, and consider how a substance with legitimate applications in medicine can become harmful when used in ways that are not supported by the evidence.
Hope you enjoy!
Link to papers we discussed:
https://jamanetwork.com/journals/jamadermatology/fullarticle/2214158
https://onlinelibrary.wiley.com/doi/10.5694/mja2.52687
https://www.sciencedirect.com/science/article/pii/S221475002300104X?via%3Dihub
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