DefinitionLacquer is a clear or colored coating (called a varnish) that is often used to give wooden surfaces a glossy look. Lacquers are dangerous to swallow. Breathing in the fumes for a long period of time is also harmful.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.Poisonous IngredientPoisoning from lacquers is due to hydrocarbons, which are substances that contain only hydrogen and carbon.Where FoundLacquers are products that are used as a clear finish for wooden surfaces, particularly floors. They are sold under various brand names.SymptomsAirways and lungs Breathing difficulty (from inh