Opana ER 20mg

Description

What is Opana ER 20mg?

Opana ER 20mg is an extended-release opioid analgesic that contains oxymorphone hydrochloride. It is prescribed for the management of moderate to severe chronic pain in patients requiring continuous, long-term opioid therapy.

The extended-release formula ensures consistent pain relief for up to 12 hours, helping those who require ongoing management for conditions such as cancer-related pain, nerve damage, or post-surgical discomfort.
You can learn more about oxymorphone and its medical applications at Cleveland Clinic: Oxymorphone Overview.

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How to Use Opana ER 20mg

Opana ER 20mg tablets should be taken exactly as prescribed by your healthcare provider. The medication must be swallowed whole with water — do not crush, chew, or dissolve the tablet, as this can cause a rapid release of the drug, potentially leading to overdose or death.

It is recommended to take the dose on an empty stomach, at least one hour before or two hours after meals, every 12 hours for consistent pain relief.
For official administration guidance, refer to the FDA Medication Guide for Opana ER.

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What is Opana ER 20mg Used For?

Opana ER 20mg is prescribed to help relieve chronic pain that cannot be controlled by non-opioid or short-acting pain medicines. It is used for:

• Long-term pain requiring round-the-clock management
• Cancer-related pain
• Neuropathic and musculoskeletal pain
• Severe injury or post-surgical pain

For an overview of chronic pain conditions, visit National Institute of Neurological Disorders and Stroke (NINDS): Chronic Pain Information.

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Side Effects of Opana ER 20mg

While Opana ER 20mg is effective in treating chronic pain, it may cause side effects, especially when not taken according to the prescribed dosage.

Common side effects include:

• Nausea and vomiting
• Dizziness or drowsiness
• Constipation
• Dry mouth
• Sweating

Serious side effects may include:

• Difficulty breathing or shallow breathing
• Confusion, agitation, or hallucinations
• Severe drowsiness
• Fainting
• Seizures

Seek emergency medical attention if any severe reaction occurs.
For an extensive list of side effects, visit RxList: Opana ER Side Effects.

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Warnings and Precautions

• Avoid alcohol while taking this medication to prevent life-threatening respiratory depression.
• Do not drive or operate machinery until you know how this medication affects you.
• Inform your doctor if you have liver disease, breathing disorders, or a history of substance abuse.
• Combining Opana ER with benzodiazepines, sedatives, or antidepressants increases overdose risk.
• Always store the medication in a safe, secure place away from children.

For detailed opioid safety and storage information, visit Substance Abuse and Mental Health Services Administration (SAMHSA): Opioid Safety.

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How Long Does Opana ER 20mg Stay in Your System?

The half-life of oxymorphone is about 9 to 11 hours, and it may remain detectable in urine or blood for up to 3–4 days depending on factors such as metabolism, dosage, and duration of use.

You can read more about oxymorphone pharmacology at PubChem: Oxymorphone Compound Summary.

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Product Highlights

• Brand Name: Opana ER
• Strength: 20mg
• Active Ingredient: Oxymorphone Hydrochloride
• Form: Extended-Release Oral Tablet
• Intended Use: Chronic, moderate to severe pain
• Duration: Up to 12 hours of relief
• Controlled Substance: Schedule II
• Prescription Required: Yes