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Naltrexone – Treatment for Opioid Addiction

Naltrexone is a medication used to treat opioid addiction and also used in emergency situations to reverse an opioid overdose. It works by binding to the same receptors in the brain that opioids bind to, blocking the effects of opioids and preventing them from producing their characteristic euphoria and respiratory depression.

It is available by prescription from a healthcare provider and can be obtained at most pharmacies. The cost can vary depending on factors such as the dosage, the specific formulation (tablet, injection, or implant), and insurance coverage.


It can be administered in several ways depending on the individual’s needs. The most common method of administration is oral, in the form of a tablet that is swallowed with water. The recommended dose of oral drug varies depending on the individual and their medical history, but it is typically taken once daily.

In addition to oral dosing, it can also be administered as an injection. The injectable form of it is called Vivitrol and is typically given as an intramuscular injection once a month.

It’s important to follow your healthcare provider’s instructions for taking it and to not alter your dosage or frequency of administration without consulting with your healthcare provider first.

Side effects

Like all medications, it can cause side effects. Some of the most common include:

  • Nausea
  • Headache
  • Dizziness
  • Fatigue
  • Sleep disturbances
  • Abdominal pain
  • Joint pain
  • Decreased appetite

Less common can include:

  • Depression or anxiety
  • Irritability or mood swings
  • Skin rash or itching
  • Diarrhea or constipation
  • Menstrual irregularities in women

In rare cases, it can cause more serious ones, such as liver damage or allergic reactions. If you experience any severe while taking it, it’s important to contact your healthcare provider right away.

  • It’s important to note that it should not be taken if you are currently using opioids or if you have recently stopped using opioids. It can cause withdrawal symptoms if taken while opioids are still in your system. It’s important to talk to your healthcare provider about your medical history and any medications you are currently taking before starting it.

This drug is a prescription medication and cannot be obtained without a prescription from a healthcare provider. There are no states in the US where it is available without a prescription.

However, some states have implemented standing orders or protocols that allow pharmacies to dispense naloxone, which is a medication used to reverse opioid overdoses, without an individual prescription. Naltrexone and naloxone are both used to treat opioid addiction, but they have different mechanisms of action.

It’s important to note that while naloxone can be obtained without a prescription in some states, it is still a prescription medication and requires a prescription from a healthcare provider. It’s crucial to work with a qualified healthcare provider to determine the appropriate medication and dosage for an individual’s specific needs.

is there any legal jeopardy for carrying it without a prescription?

Yes, there can be legal jeopardy for carrying it without a prescription. This drug is a prescription medication and can only be legally obtained with a prescription from a healthcare provider. Carrying or possessing it without a prescription can be considered illegal possession of a controlled substance and may be subject to criminal prosecution.

Additionally, carrying or possessing it, without a prescription, may also be a violation of state and federal drug laws. It’s important to work with a qualified healthcare provider and obtain a prescription for it to ensure that it is being used safely and legally.

Can it be acquired online?

It is a prescription medication that requires a prescription from a licensed healthcare provider. While there are websites that claim to sell it online without a prescription, these sites are often illegal and may sell counterfeit or substandard medication.

It’s important to obtain this drug from a licensed healthcare provider who can assess your individual medical needs and prescribe the appropriate medication and dosage. There are many healthcare providers who offer telemedicine services, which can provide remote access to healthcare providers who can evaluate your medical history and prescribe medications.

Use caution when purchasing medications online and to only obtain medications from reputable and licensed sources. Using counterfeit or substandard medications can be dangerous and can have serious health consequences.


Generic tablets typically cost between $20 and $50 per month without insurance, while the extended-release injection can cost several hundred dollars per dose. Some insurance plans may cover the cost, so it’s important to check with the individual’s insurance provider to determine coverage.

There are also some programs and resources available to help individuals access it at a reduced cost or for free. For example, the Substance Abuse and Mental Health Services Administration (SAMHSA) offers a directory of opioid treatment providers that includes information on low-cost or free. Additionally, some state Medicaid programs may cover the cost for eligible individuals.

It’s important to work with a qualified healthcare provider to determine the appropriate dose and formulation for an individual’s specific needs. Healthcare providers can also provide additional resources and support for individuals seeking treatment for opioid addiction.

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