Answer
The Martindale Pharma, an Ethypharm Group Company product Betamethasone 0.1% w/v Drops has a shelf life of 24 months from manufacture before opening and 28 days from first opening.
Sources for this answer
- Betamethasone 0.1% w/v DropsMartindale Pharma, an Ethypharm Group Company · emc · SmPC §6.3 Shelf life · Version 3Document updated
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