Safety Recall: Zeneru Yakko Koka New Rikokode Tablets – Japan CAA

Published by Reclia Safety Desk | June 29, 2026

Recall Information Record

Case Number: 00000035457
Product: New Rikokode Tablets
Brand: Zeneru Yakko Koka
Hazards: Safety Risk
Source: Japan Consumer Affairs Agency (CAA)

WHAT HAPPENED

The Japan Consumer Affairs Agency has published a recall notice for “New Rikokode Tablets” (新リココデ錠) manufactured by Zeneru Yakko Koka (ゼネル薬工粉河). The recall was triggered after stability monitoring revealed that the tablets’ color had become darker than expected, indicating a potential quality deviation. This issue may affect the product’s stability and efficacy over time, prompting the company to initiate a voluntary recall. The recall began on June 22, 2026, and is being coordinated with the Pharmaceuticals and Medical Devices Agency (PMDA).

While no immediate health hazards have been reported, the color change suggests possible degradation of the active ingredients or excipients, which could compromise the medication’s therapeutic effect. Consumers who have purchased this product are advised to check their supplies and discontinue use if they have the affected batch. The recall underscores the importance of rigorous quality control in pharmaceutical manufacturing to ensure patient safety.

If you have purchased “New Rikokode Tablets,” please take the following steps:

• Check the product packaging for the management number 00000035457 or any lot information provided by the manufacturer.
• Stop using the product immediately and contact Zeneru Yakko Koka or the retailer where you purchased it for instructions on returning the product and obtaining a refund or replacement.
• If you have any health concerns or experience unusual symptoms, consult your healthcare provider or pharmacist.

AFFECTED BATCHES & TARGET SPECIFICS

– **Target Model / Type:** N/A
– **JAN Barcode:** N/A
– **Affected Serial / Lot Numbers:** N/A
– **Total Units Affected:** N/A

ADDITIONAL REGULATORY NOTES

Recall initiated due to a color darkening phenomenon observed during stability monitoring. The recall start date is June 22, 2026. Reference information from PMDA is included. Management number: 00000035457.

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