Answer
PVC may cause glyceryl trinitrate losses exceeding 40% from the Hospira UK Ltd glyceryl trinitrate 5 mg/ml sterile concentrate product, so PVC bags should be avoided; polyurethane also causes active-ingredient loss, and no other drug should be admixed.
Sources for this answer
- Glyceryl Trinitrate 5 mg/ml Sterile ConcentrateHospira UK Ltd · emc · SmPC §6.2 Incompatibilities · Version 17Document updated
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