Oxycodone/naltrexone (By mouth)
Naltrexone Hydrochloride (nal-TREX-one hye-droe-KLOR-ide), Oxycodone Hydrochloride (ox-i-KOE-done hye-droe-KLOR-ide)
Treat severe pain. This medicine is a narcotic pain reliever.
Brand Name(s):There may be other brand names for this medicine.
When This Medicine Should Not Be Used:This medicine is not right for everyone. Do not use it if you had an allergic reaction to oxycodone or naltrexone, or if you have a stomach or bowel blockage.
How to Use This Medicine:
Long Acting Capsule
- Your doctor will tell you how much medicine to use. Do not use more than directed. An overdose can be dangerous. Follow directions carefully so you do not get too much medicine at one time.
- Swallow the extended-release capsule whole. Do not crush, break, or chew it.
- If you have trouble swallowing the capsule, you may open it and pour the medicine into a small amount of applesauce. This mixture must be swallowed immediately without chewing and followed with a glass of cool water to ensure complete swallowing of the pellets. Do not give this medicine in a nasogastric or gastric tube.
- This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Flush any unused capsules down the toilet.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Some medicines can affect how oxycodone/naltrexone works. Tell your doctor if you are using any of the following:
- Carbamazepine, erythromycin, ketoconazole, mirtazapine, phenytoin, rifampin, ritonavir, tramadol, trazodone
- Diuretic (water pill)
- Medicine to treat depression, anxiety, or mental health problems
- Medicine to treat migraine headache
- Phenothiazine medicine (including chlorpromazine, perphenazine, promethazine, prochlorperazine, thioridazine)
- Avoid using this medicine and an MAO inhibitor within 14 days of each other.
- Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol. Tell your doctor if you are also using buprenorphine, butorphanol, nalbuphine, pentazocine, or a muscle relaxer.
- Do not drink alcohol while you are using this medicine.
Warnings While Using This Medicine:
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, breathing problems or lung disease (such as asthma or COPD), low blood pressure, adrenal problems, gallbladder disease, or pancreas disease. Tell your doctor if you have a history of head injury, brain tumor, depression, mental health problems, seizures, or alcohol or drug addiction.
- This medicine may cause the following problems:
- High risk of overdose, which can lead to death
- Respiratory depression (serious breathing problem that can be life-threatening)
- Serotonin syndrome (when used with certain medicines)
- This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.
- This medicine could cause infertility. Talk with your doctor before using this medicine if you plan to have children.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
- This medicine may make you dizzy, drowsy, or faint. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Sit or lie down if you feel dizzy. Stand up carefully.
- This medicine may cause constipation, especially with long-term use. Ask your doctor if you should use a laxative to prevent and treat constipation.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Anxiety, restlessness, fast heartbeat, fever, sweating, muscle spasms, twitching, nausea, vomiting, diarrhea, seeing or hearing things that are not there
- Blue lips, fingernails, or skin
- Extreme dizziness or weakness, shallow breathing, slow or uneven heartbeat, sweating, cold or clammy skin, seizures
- Severe confusion, lightheadedness, dizziness, fainting
- Severe constipation, stomach pain
- Trouble breathing or slow breathing
If you notice these less serious side effects, talk with your doctor:
- Headache, drowsiness
- Mild constipation, diarrhea, nausea
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 7/4/2018
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites.
All rights reserved
A.D.A.M. content is best viewed in IE9 or above, Firefox and chrome browser.