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Side effects may include liver failure

Liver

“Safe and natural.” It’s a marketing phrase attached to dietary supplements that’s often accepted as self-evident. The marketing works. Supplements have a strong health halo. But evidence suggests that this reputation may be undeserved. Not only are there continued questions about whether most supplements have any health benefits whatsoever, there is also evidence that they can be harmful. We can’t even be confident that what’s on the label is actually in the bottle. Just two days ago I was notified of another long list of supplements and remedies that the FDA had identified that were contaminated with prescription drugs. These warnings about products sold as supplements appear regularly. Some time ago I asked, “What’s in your supplement?“, and noted that contamination and poor product quality standards continue to raise questions about whether supplements can be used safely at all, because the harms, when they occur, can be catastrophic. No matter how you feel about their efficacy, we can probably all agree no consumer should lose an organ from taking a health supplement. But it can happen. (more…)

Posted in: Science and Medicine

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Is Tylenol Safe?

Tylenol (acetaminophen, also known as paracetamol outside the US) has been in the news recently. Most of the stories I’ve seen have been accurate, but I’ve run across a couple of people who misunderstood what they read. I thought I’d try to put the record straight.

An FDA advisory panel has recommended reducing the maximum allowed single dose from 1000 mg to 650 mg in over-the-counter acetaminophen products. The 1000 mg dose would be available by prescription only. They also recommended eliminating painkillers like Percocet and Vicodin that contain a combination of a narcotic and acetaminophen. They did not recommend removing acetaminophen from over-the-counter cold remedies, cough medicines and similar products that combine acetaminophen with other drugs. Advisory panel recommendations are not binding, but the FDA usually follows them.

Some people got the impression that the FDA had just discovered that acetaminophen can be dangerous. No, we always knew that. The danger is when you take too much: it can damage the liver. The “new” information is just that acetaminophen overdose is now the leading cause of liver damage, causing an estimated 1600 cases of liver failure each year. (more…)

Posted in: Pharmaceuticals, Politics and Regulation

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