Answer
Mirtazapine at 30 mg once daily caused a small but statistically significant INR increase in people taking warfarin; a greater effect at higher mirtazapine doses cannot be excluded, so INR monitoring is advisable during combined treatment.
Sources for this answer
- Mirtazapine 15mg TabletsAurobindo Pharma - Milpharm Ltd. · emc · SmPC §4.5 Interaction with other medicinal products · Version 15Document updated
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