Acetaminophen, which is sold under the brand name Tylenol, may carry underappreciated risks. But teasing out their magnitude is a challenge. Scott Olson/Getty Images hide caption

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Tylenol Might Dull Emotional Pain, Too

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The prescription painkiller sold under the brand-name Vicodin contains hydrocodone bitartrate and acetaminophen. To reduce the risk of liver damage, the Food and Drug Administration is moving to limit the amount of acetaminophen allowed in prescription medicines. Toby Talbot/AP hide caption

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Acetaminophen has been added to the list of over-the-counter painkillers that can cause rare but deadly skin reactions. Paul Sancya/AP hide caption

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Dr. John McBride examines 9-month-old Martez after his mother, Ceasha Moorer, brought him in to check on his asthma. Courtesy of Karen Schaefer hide caption

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Does Tylenol Worsen Asthma For Kids?

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Johnson & Johnson is lowering the recommended top dose of Extra Strength Tylenol to reduce the risk of accidental overdose from acetaminophen. Paul Sakuma/AP hide caption

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