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Rosuvastatin is the most potent 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitor commercially available to lower low-density lipoprotein cholesterol. Rosuvastatin has been associated with several adverse effects, including rhabdomyolysis and arthralgias. Here, we report an unusual adverse effect occurring on treatment with rosuvastatin, a ‘continuous sensation of coldness’. A 60-year-old man began experiencing this peculiar feeling shortly after introduction of rosuvastatin treatment. The gentleman had to wear extra pair of socks and cover himself with blankets while reading, even during summer with surrounding temperature above 30°C. The abnormal sensation persisted for the 26 months during which he was treated with rosuvastatin, and disappeared within a week after discontinuing treatment. Physical examination, including thorough neurological examination, was entirely normal, as were haematological and biochemical parameters. While the pathophysiology of this phenomenon remains unknown, we hope that this case will encourage others to report similar symptomatology, perhaps enabling to gain more insight on the condition.

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