What is Opana ER 40mg?
Opana ER 40mg is a strong prescription pain medicine. It is used to help people with severe, long-term pain that does not go away with other pain medications. The “ER” in the name means “extended release,” which means the medicine works for a long time in the body.
How Does Opana ER Work?
Opana ER contains a drug called oxymorphone. This drug belongs to a group of medicines called opioids. Opioids work by blocking pain signals in the brain, making the person feel less pain.
Who Should Use Opana ER?
Doctors usually prescribe Opana ER to people who have serious pain, such as from cancer or major injuries. It is not for short-term pain, like after surgery or a minor injury. Doctors only give this medicine when other pain treatments do not work.
How to Take Opana ER
- Always take Opana ER exactly as your doctor tells you.
- Swallow the pill whole; do not crush, chew, or break it.
- Take it on an empty stomach, at least one hour before or two hours after eating.
- Never take more than the prescribed dose, as it can be dangerous.
Possible Side Effects
Like all medicines, Opana ER can cause side effects. Some common side effects include:
- Nausea
- Drowsiness
- Dizziness
- Constipation
- Headache
More serious side effects can happen, such as:
- Trouble breathing
- Slow heart rate
- Confusion
- Severe allergic reactions
If you experience serious side effects, get medical help right away.
Warnings and Precautions
- Addiction Risk: Opana ER can be addictive if not used correctly. Follow your doctor’s instructions carefully.
- Overdose Danger: Taking too much can cause overdose, which can be life-threatening.
- Not for Everyone: People with breathing problems, liver disease, or a history of addiction should talk to their doctor before using Opana ER.
Storage and Disposal
- Store Opana ER in a safe place, away from children and pets.
- Do not share it with anyone else.
- Dispose of unuse medicine properly by following your pharmacy’s guidelines.
Conclusion
Opana ER 40mg is a powerful medicine for severe pain. It should only be used under a doctor’s supervision. Always follow the prescription and be aware of the risks to stay safe.

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