Padagis extends shelf life of naloxone as demand continues

3 April 2025

US generic manufacturer Padagis has received clearance to extend the shelf life of its over-the-counter naloxone nasal spray to 36 months, as the company looks to bolster value and accessibility in a crowded but critical public health market.

The updated three-year expiration will apply to newly manufactured lots of its 4mg naloxone hydrochloride nasal spray starting later in the second quarter of this year.

Padagis said the longer shelf life offers additional reassurance to patients and organizations aiming to keep naloxone on hand for potential opioid emergencies.

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