16th May 2025

Mrs Edwards is a 72-year-old woman who is currently being managed as an inpatient for a severe cellulitis affecting her left lower limb.

Mrs Edwards is a 72-year-old woman who is currently being managed as an inpatient for a severe cellulitis affecting her left lower limb. She is currently being managed on a combination of teicoplanin and clindamycin due to being penicillin allergic for which she is on the 5th day of therapy. When reviewing her on the ward round you notice a petechial rash and some haematuria in her catheter bag. When reviewing her blood tests later that day you notice one of her haematological bloods is abnormal. What adverse reaction to treatment may Mrs Edwards be experiencing?

Select the SINGLE most appropriate option from the list below. Select ONE option only.