DefinitionCodeine is a prescription painkiller.Codeine overdoseoccurs when someone accidentally or intentionally takes more than the normal or recommended amount of this medication.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.Alternative NamesMethylmorphine overdosePoisonous IngredientCodeineWhere FoundActifed with codeineEmpirin #3GelonidaOxa forteRobitussin A-CTylenol #3Voltaren forteNote: This list may not be all-inclusive.SymptomsBluish-colored fingernails and lipsBreathing - shallowBreathing - slow and laboredBreathing stopsCold, clammy skinComaConstipationDizzinessDrowsinessLow blood pre