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DH cracks down on illegal online sale of controlled anti-obesity medicine (with photos)

  • 2026.03.04

The Department of Health (DH) discovered suspected illegal online sale of a controlled anti-obesity medicine and carried out an enforcement operation with the Police today (March 4) in Mong Kok district, arresting a 30-year-old woman suspected of illegally selling Part 1 poisons and unregistered pharmaceutical products.
 
Following up on a complaint, the DH obtained the anti-obesity medicine (see photos) via an instant messaging application. The label of the product, written in Japanese, indicated that it contained tirzepatide, a substance classified as Part 1 poison under the Pharmacy and Poisons Ordinance (Cap. 138) (PPO).
 
The product is suspected to be an unregistered pharmaceutical product in Hong Kong. The DH will continue to investigate the incident.
 
Tirzepatide is used for the treatment of obesity, and its side effects include hair loss, nausea and diarrhoea. Medicines containing tirzepatide should be used under a doctor's direction and must be supplied on the premises of an Authorized Seller of Poisons (commonly known as a pharmacy) under the supervision of a registered pharmacist upon a doctor's prescription. 
 
The DH strongly urged members of the public not to self-purchase or consume products of doubtful composition or from unknown sources. Purchasing controlled medicines (including slimming drugs) online poses health risks. Besides the lack of a doctor's assessment of an individual's health condition, it is difficult to ascertain the legitimate source of the drugs. It is also impossible to know whether the drugs were properly stored during transportation (especially for drugs requiring cold-chain storage). This leaves their safety, quality and efficacy unguaranteed.
 
The DH also reminded the public that selling medicines controlled under the PPO illegally, regardless of the sales channel (including online sales platforms, instant messaging applications or social media), carries criminal liability. Do not risk breaking the law.
 
According to the PPO, all pharmaceutical products must be registered with the Pharmacy and Poisons Board of Hong Kong before they can be legally sold in the market. Additionally, pharmaceutical products containing Part 1 poisons could only be sold at the registered premises of a pharmacy under the supervision of a registered pharmacist. If any contravention of the law is suspected, the DH will follow up and carry out enforcement action. After seeking advice from the Department of Justice, prosecutions against relevant persons may be initiated. Illegal sale or possession of unregistered pharmaceutical products or Part 1 poisons are criminal offences. The maximum penalty for each offence is a fine of $100,000 and two years' imprisonment.
 
The DH reminded the public that all registered pharmaceutical products should carry a Hong Kong registration number on the package in the format of "HK-XXXXX". The safety, quality and efficacy of unregistered pharmaceutical products are not guaranteed.   
 
Weight control should be achieved through a balanced diet and appropriate exercise. The public should consult healthcare professionals before consuming any medication for weight control. They may visit the website of the Drug Office of the DH for "Health message on overweight problem and slimming products" for information.

 

The Department of Health discovered suspected illegal online sale of a controlled anti-obesity medicine and carried out an enforcement operation with the Police today (March 4) in Mong Kok district, arresting a 30-year-old woman suspected of illegally selling Part 1 poisons and unregistered pharmaceutical products. Photo shows the obtained anti-obesity medicine.

 

The Department of Health discovered suspected illegal online sale of a controlled anti-obesity medicine and carried out an enforcement operation with the Police today (March 4) in Mong Kok district, arresting a 30-year-old woman suspected of illegally selling Part 1 poisons and unregistered pharmaceutical products. Photo shows the obtained anti-obesity medicine.

 

Reposted from HKSAR Government webpage:

https://www.info.gov.hk/gia/general/202603/04/P2026030400657.htm