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.
HIV Drug Interaction Checker: Flag common high-risk interaction domains with antiretroviral therapy.
Rifampicin / rifabutin planned
+2 Points
Acid suppression with INSTI/NNRTI absorption concern
+1 Points
Statin or antiarrhythmic interaction concern
DOAC or warfarin interaction concern
Enzyme-inducing anticonvulsant
St John's wort or OTC supplement risk
Assessment Tier
Score 0
No major interaction domain was selected, but a formal interaction database check is still recommended.