Reporting Adverse Events for Drugs, Devices, Biologics and Dietary Supplements

Armen Hareyan's picture
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FDA's Medwatch program allows health care professionals and consumers to report to the FDA serious problems with the medical products they prescribe, dispense, or use. These reports, along with follow-up investigations, can help to identify important safety concerns.

Take the example of the antibiotic Zyvox. Within the first six months of Zyvox's marketing, FDA began getting MedWatch reports of myelosupression from clinicians who suspected that the drug might be responsible.

After investigating the problem, we worked with the manufacturer to change the Zyvox labeling to warn about the potential for myelosuppression. Sometimes MedWatch reports highlight errors in prescribing or administering medications.

For example, FDA received reports of patient injuries due to name confusion between LANOXIN, a heart medication, and what used to be called LEVOXINE, a thyroid medication.

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As a result, FDA asked the manufacturer to change the name of Levoxine, and now it's known as LEVOXYL, which is less likely to be confused with LANOXIN. The MedWatch system can also help detect problems with medical products other than drugs.

For example, FDA received two reports of pneumococcal eye infections in patients who'd received corneal transplants. An FDA inspection identified numerous manufacturing problems, which led the company to recall the implants.

Of course, MedWatch reports by themselves can not usually establish a causal relationship between an adverse event and a medical product - it may take a formal epidemiologic study to do that.

Still, MedWatch reports are vital in making sure that medical products are safe, because they provide a rapid signal to FDA that problems may be occurring. It is important to keep the MedWatch system working, and we can not do that without your help.

Here are the kinds of reports we need from you:

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