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Acetaminophen Safety: How Safe is Tylenol’s Active Ingredient?

Acetaminophen, the active ingredient in Tylenol, is an over-the-counter drug that many people think is benign. It’s been regarded as safe enough to use through pregnancy. As someone who used to pop large numbers of OTC painkillers each day, I’m increasingly horrified when new information comes out about the safety risks of acetaminophen. Most people don’t take high enough doses to be in danger, but people with headache disorders or chronic pain are at risk of taking too much without even knowing it. The risk isn’t necessarily in long-term use; exceeding the maximum daily dose in one 24-hour period can cause severe liver damage.

This infographic from the University of Florida’s pharmacy program highlights some of the risks and dangers of acetaminophen. If you’re concerned about your acetaminophen use, please talk to your doctor about alternatives. Some of the alternatives recommended below, like NSAIDs and opioids, also have limits to how often they should be taken; many opioids are packaged in pills that contain acetaminophen, which negates their use as an acetaminophen substitute.

(Click anywhere in the infographic for a larger, easier-to-read version.)

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