Case #9 FRCPath Microbiology Part 2 Examination

A 46 year old woman with systemic lupus erythematosus presented to her GP with features compatible with ophthalmic shingles. She was on prednisolone and azathioprine and her creatinine clearance was 35 ml/min. GP started oral aciclovir 800mg five times per day. Three days later, she presented to A&E with confusion and was admitted. The medical registrar called you to discuss.