What is the definition or description of: buprenorphine overdose?

Buprenorphine OD: Buprenorphine (Buprenex®, Suboxone®, Subutex®) is an opioid medication that is used to treat narcotic addiction. It has also been used for the treatment of pain. Overdose symptoms can include pinpoint pupils, sedation, weakness, clammy/cold skin, fainting, slow heart rate, weak pulse, slowed breathing to no breathing, low blood pressure and death.