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# Guide on Liquid Drug Flow Restrictors
- URL: https://www.fdaweb.com/guide-on-liquid-drug-flow-restrictors/
- Published: 2020-03-18T12:00:00.000Z
- Updated: 2026-09-14T16:07:50.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5146357

*Federal Register* notice: FDA has made available a draft guidance entitled “Restricted Delivery Systems: Flow Restrictors for Oral Liquid Drug Products.” The document provides recommendations on using restricted delivery systems to limit unintentional ingestion of oral liquid drug products (e.g., oral solution, oral suspension) by children. The recommendations apply broadly to oral liquid drug and biological products. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2020-03-18/pdf/2020-05617.pdf?ref=fdaweb.com).