Abstract
A 59-year-old woman with rheumatoid arthritis requires antibiotic prophylaxis for recurrent urinary tract infections. She is currently taking methotrexate on a weekly basis.
Which is the SINGLE LEAST appropriate antibiotic to prescribe for this patient? Select ONE option only.
Cefalexin Ciprofloxacin Co-amoxiclav Nitrofurantoin Trimethoprim