Endocrine Abstracts

Case: In April 2008, a 68-year-old male was referred to the endocrine clinic with symptoms of hyperthyroidism and was prescribed carbimazole 20 mg daily. A week later, he developed sudden onset dizziness, together with reduced hearing in his left ear and associated tinnitus. Similar symptoms developed in his right ear shortly thereafter. Seven weeks after starting carbimazole, he attended the ENT outpatient clinic with severe vertigo, tinnitus and bilateral hearing loss. Otosc...