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How should we carry out effective pest control in our medicine warehouse?

A complete explanation of the regulatory basis, Drew Tang’s recommendations and risk alerts. The original material dates from 2025; read it alongside the latest official requirements.

Original guide, 2025 edition: These FAQs are provided for topic-based reference and have not all been individually checked against current rules. Please confirm fees, personnel, renewal, changes and product requirements against the professional in-depth guide for the relevant licence type and the official requirements in force at the time.

Drug Office, Department of Health Chinese Medicines Board

Q371 · Category H: Licensed operations and routine regulatory oversight (Q351–Q400)
Effective pest control is essential for preventing contamination of medicines and maintaining hygienic storage conditions. You need to establish a comprehensive pest management programme. This involves more than simply placing a few mousetraps. The programme should include: 1. Prevention measures, which are the most important part. These include maintaining the building structure in good condition, sealing all potential pest entry routes (such as holes in walls and gaps around doors and windows), keeping the premises and surrounding area clean, and eliminating food sources and standing water. 2. Inspection and monitoring: inspections should be carried out regularly by trained personnel or a professional pest control company, and monitoring devices (such as glue boards and mousetraps) should be placed at key locations (such as entrances and corners), with their locations shown on a plan. 3. Treatment and reporting: if pest activity is detected, appropriate measures that will not contaminate medicines must be taken immediately and documented. Detailed records of all inspection, monitoring and treatment activities must include the date, findings, actions taken and the person responsible.

📘 Regulatory basis

Both the Code of Practice for Licensed Wholesale Dealers and GMP guidance set out clear requirements for the hygiene conditions of premises, emphasising that measures must be taken to prevent insects, rodents and other animals from entering and contaminating medicines.

📗 Drew Tang's recommendations

We recommend that clients enter into an annual service contract with a reputable specialist pest control company experienced in handling pharmaceutical or food warehouses. As well as providing professional services, it can provide complete reports and trend analyses that meet regulatory requirements. When selecting insecticides or rodenticides, ensure that they are approved for use and will not pose a contamination risk to medicines.

📕 Risk notice

Signs of pests (such as droppings or gnaw marks) are among the “critical defects” that Department of Health inspectors pay close attention to. If pest activity is found in a drug storage area, all drugs in that area may be deemed contaminated and need to be quarantined and destroyed. This is not only a financial loss but also a serious blow to your Quality Management System.

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