What is the definition or description of: cymbalta (duloxetine) overdose?

Cymbalta: Duloxetine hydrochloride / Cymbalta doses are often 30 to 120 mg. Per Drugs.com- "fatal outcomes have been reported for acute overdoses, primarily wi mixed overdoses, but also with duloxetine only, at doses as low as 1000 mg. Signs and symptoms of overdose (duloxetine alone or wi mixed drugs) included somnolence, coma, serotonin syndrome, seizures, syncope, tachycardia, hypotension, hypertension