Answer
Combivent UDVs contain no preservatives, so their contents must be used immediately after opening, with a fresh vial for each administration to avoid microbial contamination; partly used, open or damaged vials should be discarded.
Sources for this answer
- Combivent UDVsBoehringer Ingelheim Limited · emc · SmPC §4.2 Posology and method of administration · Version 23Document updated
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