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New Delhi, June 1, 2025 — In a significant move to protect public health and safety, the Central Drugs Standard Control Organisation (CDSCO) has released new guidelines on the disposal of expired and unused medicines. The agency has identified 17 specific drugs that should not be thrown in the household trash but instead flushed down the sink or toilet to prevent accidental poisoning of people and pets.
The 17 Medicines to Flush
The CDSCO’s guidance, detailed in the “Guidance Document on Disposal of Expired/Unused Drugs (WI/01/DCC-P-25),” lists the following medicines as especially dangerous if accidentally ingested:
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Fentanyl
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Fentanyl Citrate
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Morphine Sulfate
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Buprenorphine
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Buprenorphine Hydrochloride
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Methylphenidate
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Meperidine Hydrochloride
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Diazepam
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Hydromorphone Hydrochloride
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Methadone Hydrochloride
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Hydrocodone Bitartrate
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Tapentadol
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Oxymorphone Hydrochloride
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Oxycodone
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Oxycodone Hydrochloride
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Sodium Oxybate
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Tramadol
These are primarily narcotics, sedatives, and stimulants, many of which are regulated under the Narcotic Drugs and Psychotropic Substances (NDPS) Act and the Drugs and Cosmetics Act. Even trace amounts can be fatal, especially to children and pets.
Why Flushing Instead of Bin Disposal?
While environmental experts generally discourage flushing medicines due to potential water contamination, the CDSCO makes an exception for these 17 drugs. According to the agency, these medicines can be “especially harmful and, in some cases, fatal with just one dose if used by someone other than the person for whom the medicine was prescribed.” Flushing is recommended only when no drug take-back program or safe disposal site is available.
Drug Take-Back Programs Encouraged
The CDSCO has also urged state regulators and local authorities to establish “drug take-back” sites at designated locations, in collaboration with chemist associations. These centers would allow the public to safely return expired or unused medicines, which would then be disposed of by licensed biomedical waste handlers.
Broader Guidelines for Stakeholders
The guidance document also outlines responsibilities for retailers, wholesalers, hospitals, manufacturers, and drug inspectors:
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Retailers must return expired stock to suppliers within 30 days and keep detailed records.
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Manufacturers must ensure that no drugs remain in the supply chain more than six months after expiry.
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Special categories like radioactive and cytotoxic drugs require isolation and special treatment protocols.
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Controlled substances must be disposed of per NDPS Rules, 1985, with proper notification to authorities.
The CDSCO warns that improper disposal of pharmaceuticals can contribute to environmental pollution and antimicrobial resistance.
A Dynamic List
The CDSCO notes that the list of medicines recommended for flushing is “dynamic” and may be updated as needed.
Disclaimer:
This article is for informational purposes only and is based on the official guidance issued by the Central Drugs Standard Control Organisation (CDSCO), as reported by Medical Dialogues. Readers are advised to follow local regulations and consult healthcare professionals or pharmacists for specific disposal instructions. Flushing medicines should be considered only when no take-back or safe disposal options are available, and only for the drugs specified by the CDSCO. Environmental concerns remain important; improper disposal of other medications can harm water supplies and wildlife.
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