The year 2025 marked several pivotal moments for Drug Supply Chain Security Act (DSCSA) implementation. The DSCSA compliance deadline for manufacturers and repackagers passed in May 2025, wholesale distributors reached their deadline in August 2025, and large dispensers (i.e., dispensers with 26 or more full-time employees) finally became fully subject to DSCSA requirements in November 2025. With small dispensers coming online in November 2026, the enhanced DSCSA compliance framework will soon be in place across the entire supply chain. To avoid hiccups as the DSCSA framework fully comes into fruition, manufacturers and distributors should ensure that downstream trading partners understand their obligations, as doing so is essential to avoiding disruptions as products moving through the supply chain.

Industry discussions, including the U.S. Food and Drug Administration (FDA)-sponsored town hall conversations with large retail chains and community pharmacies, have underscored that small and large dispensers are uncertain about what exactly must be implemented to achieve DSCSA compliance. This lack of clarity contributes to inconsistent practices across dispensers and indicates that proactive guidance from manufacturers and wholesale distributors will be important to ensuring seamless supply chains.

Dispensers also highlighted several practical challenges with DSCSA compliance at an FDA Town Hall in September 2025. Many reported receiving incomplete or inaccurate data from upstream trading partners, with slow response times when discrepancies required reconciliation. Others noted that their contractual arrangements with trading partners often lacked basic DSCSA specific provisions, including how data would be transmitted, how exceptions or non standard products would be managed, and who the appropriate contact person was for resolving problems. Without these details, dispensers frequently struggle to obtain timely answers or operational clarity. Drop shipments and 340B transactions pose additional challenges, with dispensers pointing to limited visibility into data flows and inconsistent approaches across partners.

Dispenser challenges are not isolated downstream issues. The interconnected nature of the DSCSA system means that disruptions at the dispensing level often reflect or can create vulnerabilities upstream. Manufacturers and wholesale distributors therefore have a direct interest in ensuring that dispensers understand their obligations, receive accurate and timely data, and have clear contractual and operational guidance. Steps such as reviewing DSCSA related agreements, establishing clearly identified points of contact, and providing structured instructions for non standard scenarios like drop shipments and 340B products will help reduce delays and strengthen compliance throughout the supply chain.

As the small dispenser deadline approaches in 2026, proactive engagement from upstream partners will be essential to minimizing product disruptions.