What is Oxycodone and Naltrexone: Uses, Dosage, Side Effects and More

Oxycodone and naltrexone is a prescription medication that combines two powerful components to treat severe pain while reducing the risk of misuse. This combination medication contains oxycodone, a strong opioid pain reliever, paired with naltrexone, a substance that blocks opioid effects if the medication is tampered with or misused.

The medication is specifically designed for people who need around-the-clock pain management and have already been taking opioid medications regularly. It's not meant for occasional pain relief or first-time opioid users.

What is Oxycodone and Naltrexone Used For?

This medication treats severe, ongoing pain that requires continuous, long-term opioid treatment. Your doctor will only prescribe it when other pain management options haven't provided adequate relief.

The combination is commonly prescribed for chronic conditions like advanced cancer pain, severe arthritis, or persistent pain following major surgery. It's also used for people with chronic back pain, fibromyalgia, or nerve pain that significantly impacts daily functioning.

Importantly, this isn't a medication for mild headaches, dental pain, or short-term discomfort. Your healthcare provider will carefully evaluate whether your pain condition justifies this level of treatment.

How Does Oxycodone and Naltrexone Work?

This is a strong medication that works through two different mechanisms. The oxycodone component binds to opioid receptors in your brain and spinal cord, effectively blocking pain signals from reaching your consciousness.

The naltrexone component serves as a built-in safety feature. When you take the medication as prescribed, naltrexone remains inactive and doesn't interfere with pain relief. However, if someone tries to crush, dissolve, or inject the medication, naltrexone becomes active and blocks the opioid effects.

This dual-action design makes the medication significantly harder to misuse compared to traditional opioid medications. The naltrexone essentially acts as a guardian, protecting against common methods of opioid abuse.

How Should I Take Oxycodone and Naltrexone?

Take this medication exactly as your doctor prescribes, typically every 12 hours. Swallow the tablets whole with plenty of water, and never crush, chew, or break them, as this can release dangerous amounts of medication at once.

You can take it with or without food, but taking it with food may help reduce stomach upset. If you experience nausea, try taking it with a light meal or snack. Some people find that taking it at the same times each day helps maintain consistent pain relief.

Never increase your dose or take it more frequently than prescribed. If your pain isn't adequately controlled, contact your healthcare provider rather than adjusting the dose yourself. They can safely modify your treatment plan if needed.

How Long Should I Take Oxycodone and Naltrexone?

The duration depends entirely on your specific condition and how you respond to treatment. Some people need this medication for weeks or months, while others may require longer-term treatment for chronic conditions.

Your doctor will regularly review your progress and may adjust your treatment plan based on how well your pain is controlled and how you're tolerating the medication. They'll also monitor for any signs of dependence or tolerance.

Never stop taking this medication suddenly, even if you feel better. Stopping abruptly can cause uncomfortable withdrawal symptoms. Your healthcare provider will create a gradual tapering schedule when it's time to discontinue the medication.

What Are the Side Effects of Oxycodone and Naltrexone?

Like all opioid medications, this combination can cause various side effects. Understanding what to expect can help you manage them better and know when to contact your healthcare provider.

The most common side effects you might experience include:

• Nausea and vomiting, especially during the first few days of treatment
• Constipation, which can be persistent throughout treatment
• Drowsiness or dizziness, particularly when standing up quickly
• Headache and fatigue
• Dry mouth and decreased appetite
• Sleep disturbances or vivid dreams

These common effects often improve as your body adjusts to the medication, usually within the first week or two of treatment.

More serious side effects require immediate medical attention. These include severe breathing problems, especially slow or shallow breathing, extreme drowsiness where you can't wake up easily, or severe confusion and disorientation.

Rare but serious complications can include severe allergic reactions with swelling of the face, tongue, or throat, chest pain or irregular heartbeat, and signs of liver problems like yellowing of the skin or eyes. While these are uncommon, they require emergency medical care.

Who Should Not Take Oxycodone and Naltrexone?

This medication isn't safe for everyone. Your doctor will carefully review your medical history before prescribing it to ensure it's appropriate for your situation.

You should not take this medication if you have severe breathing problems, a blockage in your stomach or intestines, or if you're currently taking certain medications that interact dangerously with opioids. People with severe liver or kidney disease may also need alternative treatments.

Special caution is needed if you have a history of substance abuse, mental health conditions, or certain medical conditions. Your healthcare provider will weigh the benefits against the risks for your specific situation.

Pregnant and breastfeeding women require careful consideration, as opioid medications can affect both mother and baby. Your doctor will explore safer alternatives if you're planning to become pregnant or are currently nursing.

Oxycodone and Naltrexone Brand Names

The most common brand name for this combination medication is Targiniq ER. This extended-release formulation is designed to provide 12-hour pain relief while incorporating the abuse-deterrent properties of naltrexone.

You might also encounter generic versions of this combination, which contain the same active ingredients but may have different inactive components. Your pharmacist can help you understand any differences between brand and generic versions.

Oxycodone and Naltrexone Alternatives

Several alternative medications might be considered if this combination isn't suitable for you. Other abuse-deterrent opioid formulations include oxycodone ER alone, morphine ER, or fentanyl patches for severe chronic pain.

Non-opioid alternatives include medications like gabapentin for nerve pain, certain antidepressants that also treat pain, or topical pain relievers for localized discomfort. Your doctor might also recommend physical therapy, nerve blocks, or other interventional pain management techniques.

The best alternative depends on your specific type of pain, medical history, and how you've responded to previous treatments. Your healthcare team will work with you to find the most effective and safest option.

Is Oxycodone and Naltrexone Better Than Regular Oxycodone?

This combination offers significant advantages over regular oxycodone, particularly in terms of safety and abuse potential. The built-in naltrexone component makes it much harder for people to misuse the medication through crushing, injecting, or other dangerous methods.

For pain relief, both medications can be equally effective when used as prescribed. The main difference lies in the safety profile and reduced risk of diversion or misuse, which makes this combination preferable for many patients and healthcare providers.

However, the combination medication may cost more than regular oxycodone and might not be covered by all insurance plans. Your doctor will help you weigh the benefits and costs to determine which option is best for your situation.