Adult antibiotic doses (unless otherwise stated)

Warning
Antibiotic PO dose*
Amoxicillin 500g 8hrly
Clarithromycin 500mg 12hrly
Co-amoxiclav 625mg 8hrly
Co-trimoxazole 960mg 12hrly
Doxycycline 200mg stat then 100mg 24hrly
Flucloxacillin 1g 6hrly
Metronidazole 400mg 8hrly
Nitrofurantoin 50mg 6hrly (avoid if eGFR below 45)
Trimethoprim 200mg 12hrly

*All doses assume normal renal/hepatic function (see the BNF and Renal Drug Database for dose adjustments).

Editorial Information

Last reviewed: 18/12/2023

Next review date: 18/12/2024

Reviewer name(s): J Van Aartsen.