MRCP2-2798
A 37-year-old man presents to the clinic with an increase in the frequency of his bowel movements over the past four days. He has a history of ulcerative colitis and is currently taking azathioprine 200 mg OD and mesalazine 2.4mg BD. He has not had a flare-up in two years and has been managing his condition well. He reports passing up to 10 watery stools a day, experiencing faecal urgency, and having nocturnal episodes. He also complains of cramping pain in his left iliac fossa. There is no blood or mucous in his stools. On examination, he has a fever of 38.2 degrees Celsius, a blood pressure of 120/75 mmHg, and a heart rate of 100/min. He is underweight with a BMI of 18.5 and is dehydrated. His abdomen is soft, but he is tender in the left iliac fossa. He refuses a PR examination. Respiratory and cardiovascular examinations are normal.
His blood tests reveal:
– Hb 110 g/l
– Platelets 189 * 109/l
– WBC 3.8 * 109/l
– Neutrophils 0.89 * 109/l
– INR 1.1 (0.9-1.2)
– Na+ 136 mmol/l
– K+ 4.9 mmol/l
– Urea 8.0 mmol/l
– Creatinine 100 µmol/l
– Magnesium 0.79 mmol/L (0.7-1.0)
– Calcium 2.4 mmol/L (2.1-2.58)
– CRP 78 mg/l
– Bilirubin 5 µmol/l
– ALP 78 u/l
– ALT 28 u/l
– Albumin 33 g/l
He is started on IV hydrocortisone 100mg QDS and IV fluids. Stool specimens are sent and are reported as negative for C. difficile toxin. The next day, he undergoes a flexible sigmoidoscopy which reveals widespread left-sided colitis. The biopsy results show the presence of inclusion bodies in the colonic mucosa. What is the appropriate treatment for this patient?