Print Page

Products found to contain undeclared medicines

The United States: Public Notification: Yong Gang contains hidden drug ingredients sildenafil and tadalafil
The US Food and Drug Administration (FDA) is advising consumers not to purchase or use Yong Gang, a product promoted for sexual enhancement. This product was identified during an examination of international mail shipments. FDA laboratory analysis confirmed that Yong Gang contains sildenafil and tadalafil, the active ingredients in the FDA-approved prescription drugs Viagra and Cialis, respectively, used to treat erectile dysfunction. These undeclared ingredients may interact with nitrates found in some prescription drugs, such as nitroglycerin, and may lower blood pressure to dangerous levels. People with diabetes, high blood pressure, high cholesterol, or heart disease often take nitrates.

Please refer to the following website in FDA for details:

In Hong Kong, the above product is not a registered pharmaceutical product. Related news was previously issued by Australia Therapeutic Goods Administration, and was posted on the Drug Office website on 6 Jun 2013.

Ends/Tuesday, Jan 29, 2019
Issued at HKT 16:00
Related Information:
Australia: Safety advisory: Yong Gang tablets contain undeclared substance tadal... Posted 2013-06-06