Use of acetaminophen can lead to the development of asthma and eczema, Science Daily reports in their article Acetaminophen Use in Adolescents Linked to Doubled Risk of Asthma . Monthly use of the drug was linked to more than a double risk of asthma and eczema; while yearly use was associated with a 50 percent increase in the risk of asthma. Study first author Richard Beasley, M.D., professor of medicine at the Medical Research Institute of New Zealand on behalf of the International Study of Asthma and Allergies in Childhood (ISAAC) says, “This study has identified that the reported use of acetaminophen in 13- and 14-year-old adolescent children was associated with an exposure-dependent increased risk of asthma symptoms.” The research will be published online on the American Thoracic Society's website, followed by publication in the American Journal of Respiratory and Critical Care Medicine