Billions of doses of acetaminophen are used safely every year.

High doses of acetaminophen can cause liver and kidney damage.

A study by six pediatricians at the University of Rochester revealed that mothers were often mistaken in what they considered an appropriate dose of acetaminophen.

Liver damage can also occur in people who take more than the maximum recommended daily dose of acetaminophen.

Taking more than the recommended dose of acetaminophen may cause serious (possibly fatal) liver disease.

In adults who do not have liver problems, the maximum daily dose of acetaminophen is 4 grams (4000 milligrams).

Take no more than the recommended dose of acetaminophen.

Therapies involving alternating doses of acetaminophen and ibuprofen have shown greater antipyretic effect than either drug alone.

"They are unknowingly taking four times the maximum daily dose of acetaminophen."

High doses of acetaminophen can contribute to liver damage.