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8th February 2024
A 21-year-old female presents to her GP with generalised malaise and fatigue.
A 21-year-old female presents to her GP with generalised malaise and fatigue. She had also presented three weeks earlier with a productive cough for which she was given antibiotics. Current medications include the oral contraceptive pill, levothyroxine and paracetamol. Urinalysis showed mild haematuria, and her blood results are as follows:
| Investigation | Result | Normal value |
|---|---|---|
| Haemoglobin | 118 g/l | 135-175 g/l |
| White cell count | 9.0 x 10⁹/l | 4-11 x 10⁹/l |
| Eosinophil | 0.8 x 10⁹/l | 0.04-0.40 x 10⁹/l |
| Sodium | 139 mmol/l | 135-145 mmol/l |
| Potassium | 5.1 mmol/l | 3.5-5.0 mmol/l |
| Creatinine | 159 micromol/l | 50-120 micromol/l |
Which of the following medications could cause the above presentation and results?
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