This tool supports structured infectious-disease decision making but does not replace clinician judgement or local guideline pathways.
This OpiCalc infectious-disease entry reflects commonly used guideline criteria and bedside risk features used in contemporary clinical practice.
Antibiotic Duration Guide: Short-course suitability checklist for common infections when source control and clinical response are adequate.
Source control achieved
+2 Points
Clear clinical improvement within 48-72h
Pathogen-directed therapy possible
+1 Points
Severe immunocompromise
-2 Points
Endovascular / osteo / deep-seated focus
-3 Points
Foreign body or prosthetic material retained
Assessment Tier
Score 0
Use standard guideline duration and reassess clinical trajectory.