Print Page

Products found to contain undeclared medicines

The United States: Public Notification: “X-Rock” Contains Undeclared Drug Ingredient
The Food and Drug Administration (FDA) is advising consumers not to purchase or use “X-Rock”, a product for sexual enhancement manufactured by CRM Laboratories and sold on various websites, including FDA laboratory analysis confirmed that “X-Rock” contains sildenafil and hydroxythiohomosildenafil. Hydroxythiohomosildenafil is an analog of sildenafil, an FDA approved prescription drug for Erectile Dysfunction (ED). These drugs may interact with nitrates found in some prescription drugs such as nitroglycerin and may lower blood pressure to dangerous levels. Men with diabetes, high blood pressure, high cholesterol or heart disease often take nitrates. Consumers should stop using this product immediately and throw it away. Consumers who have experienced any negative side effects should consult a health care professional as soon as possible.

Please refer to the following website in FDA for details:

In Hong Kong, the above product is not a registered pharmaceutical product.

Ends/ Thursday, April 19, 2012
Issued at HKT 12:00

Related Information:
Health Canada: Foreign Product Alert: Z-Rock All Natural Male Supplement,Extra P... Posted 2012-12-22
The United States: X-ROCK 3 Day Pill For Men and Z-ROCK: Recall – Undeclared Dru... Posted 2012-07-25
Canada: Removal of Potentially Dangerous Products, "X-Rock", "Kaboom" and "One F... Posted 2012-05-25
The United States: XROCK INDUSTRIES, LLC Issues a Voluntary Nationwide Recall of... Posted 2012-04-23