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Apr 15, 2026 - 03:01 PM
We’ve provided several answers to questions related to NovoPen® 4 , see some other helpful Q&A related to this product.
Question: Can this pen be used past its expiration date?
Answer: No, you should never use this pen past its expiration date for safety and effectiveness reasons. Using expired medical devices can compromise insulin quality and dosing accuracy.
Question: Can this pen be shared between patients?
Answer: No, this pen should not be shared between patients to avoid the risk of cross-contamination and infections. Single-patient use is a key safety feature that protects users from blood-borne diseases.
Question: What size insulin cartridge does this use?
Answer: This pen uses Penfill® 3 mL cartridges of Novo Nordisk insulin. Penfill is a proprietary cartridge system by Novo Nordisk, and using 3 mL cartridges allows for multiple doses before needing replacement, which is convenient for regular insulin users.
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