FDA Drops Age Limit for Neffy - Report - MDSpire

FDA Drops Age Limit for Neffy

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  • Kathryn Wighton

  • March 27, 2026

  • 2 min

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Clinical Report: FDA Drops Age Limit for Neffy

Overview

The FDA has removed the minimum age requirement for the 1 mg dose of Neffy, allowing access for pediatric patients weighing 33 pounds or greater. This change aims to improve emergency treatment options for younger patients at risk of anaphylaxis.

Background

Anaphylaxis is a severe allergic reaction that can be life-threatening and requires immediate treatment with epinephrine. Many patients, especially children, may not have access to effective treatment options due to age restrictions on existing therapies. The FDA's recent update to Neffy's labeling is significant as it expands access to a broader pediatric population, potentially improving outcomes in emergency situations. Approximately 25% of patients needing epinephrine are in the 33- to less than 66-pound weight range, including many under 4 years old.

Data Highlights

No numerical data provided in the article.

Key Findings

  • The FDA has approved Neffy for patients weighing 33 pounds or greater, removing the previous age limit for the 1 mg dose.
  • Approximately 25% of patients needing epinephrine are in the 33- to less than 66-pound weight range, including many under 4 years old.
  • Caregivers often hesitate to use needle-based treatments, leading to delays in administering epinephrine.
  • Updated guidance recommends carrying two Neffy devices and provides specific instructions for administration.
  • Neffy remains stable during temperature excursions up to 122 °F.

Clinical Implications

Healthcare providers should be aware of the updated labeling for Neffy, as it allows for earlier intervention in pediatric patients at risk for anaphylaxis. Educating caregivers about the use of Neffy, including practical demonstrations and the importance of having multiple devices on hand, can enhance emergency preparedness.

Conclusion

The FDA's decision to remove the age limit for Neffy represents a significant advancement in the management of anaphylaxis in younger patients, potentially saving lives through improved access to treatment and enhancing emergency preparedness.

References

  1. ARS Pharmaceuticals, ARS Pharmaceuticals, 2026 -- FDA Approves Neffy Update
  2. FDA, FDA, 2024 -- FDA Approves First Nasal Spray for Treatment of Anaphylaxis
  3. The ASCO Post — Nilotinib With Low-Intensity Chemotherapy Useful in Elderly Patients With Philadelphia Chromosome–Positive ALL
  4. Associated Press Health — Nevada preparing waiver to block food aid recipients from buying sugary drinks, candy
  5. the asco post — FDA Approves Kinase Inhibitor for Pediatric Patients With NF1
  6. Ophthalmology Management — Luminopia Announces FDA Clearance for Patients with Amblyopia Aged 8 to 12 Years Recommendations
  7. ARS Pharmaceuticals Receives FDA Approval to Remove Age Requirement From neffy® 1 mg (epinephrine nasal spray) Label - ARS Pharmaceuticals
  8. FDA Approves First Nasal Spray for Treatment of Anaphylaxis | FDA
  9. Anaphylaxis definition, overview, and clinical support tool: 2024 consensus report-a GA2LEN project - PubMed

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