Opana ER 20 mg is an opioid analgesic drug used to treat moderate to severe pain conditions. The green 20 pill Opana is available in both branded and generic variants. Oxymorphone was the generic variant of Opana ER. This medication is also called oxymorphone hydrochloride drug which is a morphine-like opioid formulation. It was used for drug abuse through snorting and injecting into the body. So, the Opana drug did not match the standards of the FDA.

Due to these reasons, the FDA raised warnings on this drug multiple times for its reformulation. This drug was approved by the Food and Drug Administration in 2006, but Opana was discontinued and withdrawn from the market for safety reasons.

Opana 20 mg was an extended-release opioid analgesic medication used for oral administration. This medicine was available in the form of tablets and extended-release (ER) tablets. Opana drug was manufactured by Endo Pharmaceuticals, Inc.

Mechanism of Opana ER 20 mg Medicine:

The main mode of action of Opana ER 20 mg tablet is analgesia. However, the functioning of analgesia is still unknown. It is however, believed that to decrease the level of pain the drug binds the CNS’s (central nervous system) neurotransmitters to block transmitting messages that are responsible for causing pain in the spinal cord and the brain.

Opana ER 20 mg drug contains oxymorphone as an ingredient which is an opioid agonist. In addition, it is designed to connect selective mu-receptors. However, if taken at a higher dose it can cause complications with other receptors.

Side Effects of 20 mg Opana ER  Drug:

Consult the doctor, if you are facing any of the following side effects after taking the eight-sided green Opana 20 pil.

• Sunken eyes
• Headache
• Dry mouth
• Urination problem
• Chills
• Sweating
• Chest pain
• Wrinkled skin
• Irregular breathing
• Vision problem i.e., blurred vision
• Light-headedness

Precautions to Take Before Using Green 20 Pill Opana:

• Opana ER 20 mg was a Schedule II controlled substance drug that exposed its potential for drug abuse, misuse, etc.
• It was a prescription-only drug that was known to be harmful when taken without administration.
• Fatal respiratory depression was reported in several cases even after taking it in the prescribed dosage.
• Consuming alcohol with Opana could lead individuals to death.