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Naltrexone is a prescription drug that essentially blocks the effects of heroin, alcohol, and all opioid drugs including Vicodin®, Oxycodone, Hydrocodone and many prescription pain medications, and improves the success rate for addiction recovery.

In 1984, the FDA approved an oral pill of this drug for chronic opioid addiction. This form of treatment has not been very effective however, because patients need to take the drug on a daily basis in order for it to block the opioid effects. Patients who have not yet developed the essential coping skills are at an extreme high risk for relapse. Relapse can easily occur because they can stop taking the medication and turn to drugs whenever circumstances or events trigger a stress response that the addict feels they can't handle.

Naltrexone is also available in a monthly injection as a prescription drug called Vivitrol®. The monthly injection eliminates the problem of daily dosing, but can be very painful or cause an abscess. This is a better option than the oral dose, but the expense for most patients and the short duration of activity also make it less than ideal as a treatment option.

A more recent option for delivering naltrexone is an extended release pellet placed under the skin. This option offers the best combination of either three or six month duration of benefits with a lower cost per month for the recovering addict. While naltrexone is being slowly released into the body, the sustained level of medication blocks the effects of opioids so it is virtually impossible to relapse into opioid or heroin use.


Licensed pharmacists manufacture the implant for each individual patient while maintaining the highest pharmaceutical standards. The naltrexone implant pellets have not yet been submitted to the FDA for approval, but the FDA has already approved the medication it contains. 

Naltrexone in all forms is relatively safe. Initial studies suggested that it could cause additional liver problems in patients with acute liver disease such as hepatitis, but in practice it has been extremely well tolerated by most patients. Patients receiving the pellets obviously can expect slight bruising and discomfort for a short time after the simple procedure. There is also a very small risk of post procedure infection but this has not occurred in any of our patients.

If naltrexone therapy is started before the patient has significantly detoxed from the opioids, the pellet will cause severe opioid withdrawal symptoms. Also, if a patient on naltrexone therapy were in an accident where narcotic medicines are normally used for pain relief, the narcotics would have no effect. 

Should the patient be injured after the procedure and require analgesia (pain medications), they must inform the doctor that he is on naltrexone maintenance therapy so an alternative medication may be prescribed. Because the patient may be involved in an accident or some other occurrence that renders him unable to inform the doctor that he is on the medication, it is recommended that he wear a Medic-Alert tag which advises the doctor that the patient is receiving naltrexone maintenance therapy.

If patients try to override the blocking effects of naltrexone and abuse narcotics they have a very unpredictable and dangerous risk of a fatal overdose. Patients also need to be especially careful after the implant wears off because they no longer have a tolerance for the drug. The same amount of drug previously used after a period of abstinence can be fatal.


Unlike these drugs, naltrexone does not have an 'opioid effect.' Because of this fact, naltrexone is allowed in most treatment recovery programs and in sober living homes. In addition, once a person is on naltrexone, they cannot get high from opioid use and they can stop without any withdrawal symptoms. Although OMT drugs can be useful in short-term detox programs, they should not be continued for an extended period. This reduces the potential medical addiction to the prescription drug that is just as difficult to quit as heroin or pain medications.


In a word: no. We believe strongly that naltrexone pellet therapy by itself is not a cure, but during the period of its opioid blocking effects it virtually eliminates the possibility of relapse. This is the key for many addicts that want to recover but believe it is impossible when they are dealing with the daily cravings. Freedom from the cravings, and knowing there is no reward of getting high, allows the recovering addict who is 100% committed to recovery to put all of their mental focus on a 12-step program and/or professional therapy.

Studies have shown that the best indicator of long-term recovery is continued participation in a 12-step recovery program. Most addicts have not developed the life skills and behaviors required for lifelong sobriety. This is the real work in addiction recovery and one that cannot be ignored or assumed to take care of itself while enjoying the freedom from cravings. Naltrexone therapy without the appropriate therapy and 12-step support is almost always unsuccessful.


The ultimate goal of recovery from alcoholism is abstinence and learning how to live without drinking. There are also a number of medicines that can assist in achieving and maintaining abstinence. Naltrexone is probably the most powerful of these medicines. Naltrexone is a drug that attaches to the opiate receptors in the brain and blocks them. Part of the pleasurable effect from alcohol happens through these opiate receptors. When these receptors are blocked, people get fewer cravings for alcohol and less pleasure if they do drink any alcohol. It becomes much easier for them to stay abstinent and continue with their recovery program.


We believe strongly that patients should be on naltrexone pellet therapy for a minimum of 12 months. This essentially prevents them from relapsing back to narcotic use and gives them at least a year to start making changes in their lives and working in a support group. After the first 12 months, patients should consult with Dr. Nelson and their counselor and honestly "self assess" their readiness for sobriety without naltrexone. Patients that decide they want to continue with the naltrexone therapy can receive additional pellets or transition to daily oral naltrexone medication. 

There are no long-term complications or side effects from the low dose naltrexone therapy. In fact, low dose naltrexone therapy has been found to actually strengthen and improve the immune system, and has been used successfully in illnesses such as cancer, arthritis, chronic fatigue, fibromyalgia, and MS.


Naltrexone would be appropriate for any opiate addict who desperately wants to stop using opiates but has never managed to stay sober for a long period. The term we use to best describe this person is that they are in a “state of readiness." A person may say they are ready to recover, however this will only be confirmed through their actions that will be obvious to their 12-step group, their therapist, their family and friends, etc. The recovering addict will consistently make life-affirming changes that demonstrate self-reliance and emotional maturity.

Naltrexone is very helpful for those that are ready but know that relying on will power or counseling alone will not work for them. Naltrexone is not a mood-altering drug and is therefore not objectionable to most recovery programs or sober living homes that require abstinence. Participation in a 12-step recovery program is the single most important form of follow-up care. We believe there is no substitute for the therapeutic value of one addict helping another to sobriety.


A person needs to be free from opiates or heroin for a minimum of one week before receiving a naltrexone pellet. Those on Methadone, Suboxone® or Subutex® should be off their prescription for at least 10-14 days because these drugs take longer to clear from the body. Even if no opioids have been taken for the recommended time, there may be some mild to moderate withdrawals due to the chronic imbalance in the essential brain neurotransmitters.

We require a simple blood test, a basic screening and exam to decrease the risks and increase the success of naltrexone therapy. We will also perform a urine drug screen immediately prior to the pellet insertion.

The procedure is simple and takes just a few minutes to perform. The doctor will numb the area and then make a small incision and place one pellet (3 month duration) or two pellets (6 month) under the skin. The incision is closed with a few stitches and the patient is sent home or could even go back to work if they desire.

It is recommended that patients wear a Medic-Alert tag (bracelet or necklace) that would inform a treating physician that the patient is on naltrexone maintenance therapy in the event that the patient is not able to communicate this information. The physician would obviously need to prescribe a non-opiate medication if pain relief was required. 

There are very few side effects from naltrexone and none of them are serious. It is difficult to determine whether the symptoms that are sometimes experienced are due to the naltrexone or the last remnants of the withdrawal syndrome. The withdrawal symptoms do not occur with every patient, especially if the addict has not used drugs for an extended period. Even if the patient experiences some withdrawal symptoms, they are generally mild compared to acute withdrawals experienced during drug detox, and cease within a week or so.


Approximately one week after the procedure, patients may return to the clinic to have the stitches removed. On an ongoing basis, it is important to receive the next pellet before the effects wear off to prevent relapse. Patients are advised to schedule their next pellet insertions three or six months out at this time. If a patient is still free from cravings at the three or six month time frame, we recommend a blood test to accurately determine the serum level of the naltrexone to ensure it is at the ideal therapeutic level. Although our single pellet lasts around 3 months and two pellets last approximately 6 months, the duration of effectiveness varies with each individual.  


The cost of the initial consultation is $295. This includes a full review of the patient history and an intake screening exam. All patients are required to provide recent (within 60 days) blood work consisting of a CBC with metabolic panel and a urinalysis. If it is determined the patient is a good candidate for Naltrexone therapy, a pellet order will be placed with our compounding pharmacy at this time. Usually, we can schedule the pellet procedure for one week after the initial exam. Many patients have found it is best to coordinate their schedule so they can have their pellet procedure performed immediately after they complete their inpatient detoxification program. 

Initial intake and exam                     $295.00
Urine Drug screen                               $40.00
Two pellet insertion                       $2,500.00

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