Painkillers and sedatives, including sleep aids and muscle relaxants, are behind much of that rise. Most of the poisonings usually occur when youngsters get into medications themselves -- not when parents give them too much by mistake.
Between 2001 and 2008, researchers tallied about 544,000 visits in children 5 years old and younger. That's a 30 percent increase. There were 66 deaths during that period.
The findings are published in the Journal of Pediatrics.
