A 79-year-old lady has recently been started on a prophylactic antibiotic for recurrent urinary tract infections. | Medibuddy
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29th February 2024

A 79-year-old lady has recently been started on a prophylactic antibiotic for recurrent urinary tract infections.

A 79-year-old lady has recently been started on a prophylactic antibiotic for recurrent urinary tract infections. She has recently received some blood results which show the following:

Hb 98 (115-160g/l)

MCV 110 (82-100 fl)

Plts 220 x 109 (150-400 x 109/l)

Which of the following medications is most likely to have caused the abnormality shown?

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