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Embeda

morphine / naltrexone
Used for Pain
Used for Pain

Morphine/naltrexone is a strong pain medication used for daily, around-the-clock pain control. It's a combination medication that commonly causes sleepiness, dizziness, and constipation. It's been discontinued in the United States.

Reviewed by:
reviewer
Shifali Patel, PharmD
reviewer
Michelle Nguyen, PharmD
Last reviewed on January 11, 2022
BasicsFAQsInteractionsPricesMedicare
Morphine/naltrexone is a controlled substance, which means that it's more likely to be misused or cause dependence. There are federal and state laws that limit the amount of medication that can be prescribed or dispensed within a certain period of time.
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What is Morphine/naltrexone?

How Morphine/naltrexone works

Are you looking for information on naltrexone (Vivitrol) or morphine instead?

Drug Facts

Common BrandsEmbeda (brand no longer available)
Drug ClassOpioid agonist / Antagonist
Controlled Substance ClassificationSchedule II
Generic StatusNo lower-cost generic available
AvailabilityDiscontinued
faqs

Frequently asked questions about Morphine/naltrexone

What is morphine/naltrexone?
Morphine/naltrexone is a combination medication used to treat moderate-to-severe pain in people who need long-term pain control. Morphine is an opioid that binds to certain parts of your brain to change how you react to pain. This helps lower how much pain you feel. Naltrexone is an opioid antagonist that blocks opioid receptors in your brain to prevent the harmful effects of opioids, such as slowed breathing, extreme sleepiness, and low blood pressure. Morphine/naltrexone shouldn't be used for short-term pain control, and it should only be used if other pain medications have failed to work for you in the past.
Is morphine/naltrexone still available?
No. Morphine/naltrexone is no longer available as a brand or generic medication in the United States.
Why was morphine/naltrexone discontinued?
It's unknown why morphine/naltrexone was discontinued by its manufacturer and the U.S. Food and Drug Administration (FDA) hasn't stated the reason for discontinuation. It's possible that it was removed from the market because it was no longer needed.
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interactions

Interactions between Morphine/naltrexone and other drugs

Morphine/naltrexone may interact with certain medications or supplements. Always let your doctor and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking. The list below does not include all possible drug interactions with Morphine/naltrexone. Please note that only the generic name of each medication is listed below.

Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

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