40/M ISS with waterly stools

Case Presentation

40 year old male, known ISS, on 3TC, TDF, EFV, adherence not ascertained, admitted with waterly stools, non bloody, reduced appetite, vomiting, general body weakness, cough not responding to azithromycin, Sodium: 130.7mmol/l, Potassium: 2.58mmol/l CBC - unremarkable except Hb: 5.7g/dl Urine lam- negative Modified ZN- no oocytes seen. Stool microscopy - unremarkable. Chest X-ray is attached