Linezolid
Tablet or injection
Quick Summary
Linezolid is kept for infections that don't respond to other antibiotics, to slow resistance.
Medical Uses
How it's taken
Take exactly as prescribed under specialist supervision.
Take it for the full course, even if you feel better, unless your doctor tells you otherwise. Don't share antibiotics or keep leftovers.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Nausea
Diarrhoea.
Low blood counts
With longer use.
Vision or nerve problems
With long courses.
Interactions
Antidepressants
Risk of serotonin syndrome.
Foods high in tyramine
Very large amounts can raise blood pressure.
Critical Warnings
Blood counts
Regular blood tests are needed.
Vision changes
Report blurred vision.
Severe allergic reaction
Black Box Warning: Swelling of the face or throat, difficulty breathing or a widespread rash: get emergency help.
Antibiotic resistance
Using antibiotics when they aren't needed makes them less effective for everyone.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Linezolid: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine