What is Buprenex (buprenorphine)?

Buprenex (also known under the generic name buprenorphine) is a narcotic drug used to relieve moderate to severe pain. It is administered as an injection or intravenously and is only available with a prescription. Its effects can be felt about 15 minutes after being injected into a muscle and will last six hours or longer. Buprenex is what is called a parenteral opiod analgesic and is similar to, but stronger than, morphine. It works by binding with opiate receptors in the central nervous system, making you unaware of pain.

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