malathion poisoning /malā″thē·on, məl′əthī″on/ , a toxic condition caused by the ingestion or absorption through the skin of malathion, an organophosphorus insecticide. Symptoms include vomiting, nausea, salivation, tearing, abdominal cramps, headache, dizziness, weakness, confusion, convulsions, and respiratory difficulties. Malathion is much less toxic than parathion and is the only organophosphorus insecticide approved for household use.
