Fig. 1.

shows the neutrophil count in a patient who had been receiving antithyroid drug (carbimazole, CBZ) for several years. She experienced fever and a severe sore throat and stopped her antithyroid drug 2 days prior to seeking help. Her white cell count was then checked and she subsequently became severely neutropenic. She was treated with intravenous antibiotics prior to neutrophil count recovery. A link with CBZ was thought likely