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26th June 2023
A 32-year-old woman presents with a 10-day history of fatigue and malaise.
A 32-year-old woman presents with a 10-day history of fatigue and malaise. Three weeks ago she had a lower respiratory tract infection for which she had taken antibiotics. She is on the combined oral contraceptive pill and takes levothyroxine for Hashimoto’s thyroiditis.
A urine dipstick shows microhaematuria and leukocyturia. There is no growth on culture.
| Hb | 117g/L | Female (115-165g/L) |
| WBC | 7.8 x 10⁹/L | (4.0-11.0 x 10⁹/L) |
| Platelets | 210 x 10⁹/L | (150-500 x 10⁹/L) |
| Eosinophils | 0.7 x 10⁹/L | (0.04-0.4 10⁹/L) |
| Neutrophils | 4.5 x 10⁹/L | (2.5-7.58 x 10⁹/L) |
| Sodium | 137 mmol/L | (135-145 mmol/L) |
| Potassium | 4.5 mmol/L | (3.5-5.0 mmol/L) |
| Creatinine | 195 μmol/L | (50-120 μmol/L) |
| Urea | 10.0 mmol/L | (2.5-6.5 mmol/L) |
| eGFR | 30 ml/min | (>90 ml/min) |
Which of the following drugs is most associated with the likely underlying diagnosis?
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