Adrenaline autoinjectors may be effective long past their expiry date

Expiry dates for adrenaline autoinjectors may be too short as many retain a high percentage of active ingredient beyond the official 12-18 month use-by date when they are recommended for replacement, US researchers say. In an evaluation of 46 autoinjectors that were an average of two years out of date, 80% (n = 37) retained more ...

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