20th June 2024

A 66-year-old man is admitted to hospital with a 3-week history of fevers, malaise and anorexia. He has no past medical history

A 66-year-old man is admitted to hospital with a 3-week history of fevers, malaise and anorexia. He has no past medical history of note and is not on any medication. He is pyrexial, blood pressure is 124/62 mmHg, pulse rate is 108/min, respiratory rate is 20/min and SpO2 is 95% on room air. On examination, there is a pansystolic murmur over the left sternal edge. He is started on Benzylpenicillin and Gentamicin for infective endocarditis. The microbiologist calls to tell you his blood culture has grown Haemophilus haemolyticus.

What is the appropriate antibiotic regime for this patient?

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