Washington, Jun 17 - The U.S. Food and Drug Administration today warned consumers about a potentially harmful product represented as “Generic Tamiflu” sold over the Internet. FDA tests revealed that the fraudulent product does not contain Tamiflu’s active ingredient, oseltamivir, but cloxacillin, an ingredient in the same class of antibiotics as penicillin.

The agency reminds patients who are allergic to or may have experienced adverse reactions from penicillin products that they are at risk of experiencing similar reactions from cloxacillin. This includes a sudden, potentially life-threatening reaction called anaphylaxis, with symptoms that include difficulty breathing, chest tightness, swelling of the throat or tongue, hives, dizziness, loss of consciousness, or a rapid or weak pulse. To date, the FDA is not aware of any reports of adverse reactions.

Read more here.