Answer
Rifampicin reduces raltegravir blood levels by inducing UGT1A1, but the impact on raltegravir efficacy is unknown.
Sources for this answer
- Isentress 400 mg Film-coated TabletsMerck Sharp & Dohme (UK) Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 37Document updated
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