Adult

Ethambutol

Warning

General Information

Restricted formulary antimicrobial: For details see OUH netFormulary

Renal and hepatic impairment

Renal impairment

Creatinine Clearance (mL/min)

 Oral Dose

More than 20

Dose as in normal renal function

10-20

15mg/kg every 24-36 hours, or 7.5-15mg/kg/day

Less than 10

15mg/kg every 48 hours, or 5-7.5mg/kg/day

HD/HDF/High Flux

Dose as in creatinine clearance less than 10ml/min.

Dialysed; give after dialysis

PD

Dose as in creatinine clearance less than 10ml/min.

Not dialysed

Note: dose ranges use creatinine clearance, rather than eGFR.

Monitor plasma ethambutol concentration in patients with renal impairment.

 

Hepatic impairment

No dose adjustment required.

Pregnancy and breastfeeding

Not known to be harmful. Use if potential benefit outweighs risk.

Additional information

Test visual acuity before treatment and warn patients to report visual changes.

References

  1. Summary of Product Characteristics (SPC) for Ethambutol 100mg tablets. Accessed via www.medicines.org.uk 26/03/18. Last updated 19/01/17
  2. The Renal Drug Database. Ethambutol. Accessed via renaldrugdatabase.com 26/03/18. Last updated 21/12/17

Editorial Information

Next review date: 02 Mar 2026