Answer
COSOPT 20 mg/ml + 5 mg/ml eye drops solution contains 0.075 mg benzalkonium chloride per millilitre and about 0.002 mg per drop.
Sources for this answer
- COSOPT 20 mg/ml + 5 mg/ml, eye drops, solutionSanten UK Limited · emc · SmPC §2 Qualitative and quantitative composition · Version 9Document updated
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