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Avinza was voluntarily discontinued in the U.S. in 2015 after the drug manufacturer notified the U.S. Food and Drug Administration (FDA) of its decision.

The manufacturer chose to remove Avinza from the market due to the availability of a newer formulation, which includes features designed to help prevent misuse. Read more about the withdrawal here.

If you’re currently taking this medication, talk to your healthcare provider about safe options for transitioning to a different treatment.

Overview
Avinza was a prescription drug approved by the FDA to treat severe pain in cases where long‑term, continual pain relief was needed and other treatments were not effective. Avinza was also referred to by its drug name, morphine.

Avinza was an opioid that worked as a potent analgesic (painkiller). It was believed to work by reducing the perception of pain. According to the National Institute on Drug Abuse, regular use of opioids — even as prescribed by a doctor — could lead to dependence. If misused, opioids could cause overdose and death.

How was it taken?
Avinza was taken orally once a day. Avinza was available as an extended‑release capsule.

Side effects
The FDA‑approved label for Avinza listed common side effects including headache, drowsiness, nausea, vomiting, and constipation. 

Rare but serious side effects included dependence and respiratory failure.

For more details about this treatment, visit:
Label: Avinza — Morphine Sulfate Capsule, Extended Release — DailyMed

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