A 60-year-old with severe CAP is started on IV co-amoxiclav and clarithromycin. After 48 hours, QTc is prolonged on ECG. Which change is most appropri...

Question

A 60-year-old with severe CAP is started on IV co-amoxiclav and clarithromycin. After 48 hours, QTc is prolonged on ECG. Which change is most appropriate?

Accepted Answer

Stop clarithromycin and switch to doxycycline

Answer

Stop co-amoxiclav

Answer

Continue both; QTc is irrelevant

Answer

Add levofloxacin

Answer

Stop antibiotics completely

prescribing safety assessment MCQ (SBA): Antibiotic-induced QT Prolongation

A 60-year-old with severe CAP is started on IV co-amoxiclav and clarithromycin. After 48 hours, QTc is prolonged on ECG. Which change is most appropriate?