naphthalene poisoning /naf″thəlēn/ [Gk, naptha, flammable liquid; L, potio, drink] , a toxic condition caused by the ingestion of naphthalene or paradichlorobenzene that may cause increased heart rate, nausea, vomiting, headache, abdominal pain, spasm, and convulsions. Naphthalene and paradichlorobenzene are common ingredients in mothballs, moth crystals, and toilet bowl deodorizers. Paradichlorobenzene is also used as an insecticide in agriculture.
