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Hydroxychloroquine is considered a relatively benign drug and is regularly used by rheumatologists and dermatologists. We highlight the severe adverse drug reaction potential of this commonly prescribed medication. We report the case of a 63-year-old male, who presented with widespread skin eruption following initiation of hydroxychloroquine two weeks earlier for an inflammatory arthritis. He had typical clinical, biochemical and histological features of the now recognised formal 'diagnosis' of severe cutaneous adverse drug reaction. The culprit drug was stopped and he responded to oral and topical steroids as well as supportive measures. Severe reactions to hydroxychloroquine are uncommon; however, as in this case, drug hypersensitivity reactions often manifest in skin. In a drug normally considered to be safe, these potential cutaneous side effects should be highlighted in information given to patients prior to commencement.

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We show it is possible to measure the applied forces in middle ear surgery and that some of these forces are very large. Larger forces are seen in destructive procedures and in procedures performed by inexperienced operators. This project is an important first step in investigating the association between surgically applied middle ear forces and postoperative sensorineural hearing loss.