Overview of Naltrexone
Naltrexone is a prescription medication used in addiction medicine and, in some settings, other clinician-directed treatment plans. In Canada, it is most commonly discussed as a support option for people working toward recovery, alongside counselling and structured follow-up. It is not a “quick fix,” and its benefits depend strongly on adherence and a broader care program. This page explains what naltrexone is, how it works, and how to purchase it safely through an online pharmacy process.
Naltrexone belongs to a class of medicines called opioid antagonists, meaning it blocks certain opioid receptors in the brain. Because of this, it can reduce the rewarding effects of opioids and can help reduce alcohol cravings for some patients. It does not treat opioid withdrawal on its own and can make withdrawal worse if started too soon after opioid use. Appropriate timing, screening, and dosing are important for safety.
When considering any medication purchase, it is essential to use pharmacy channels that provide clear product information, appropriate patient checks, and pharmacist support. For naltrexone, this is especially important because of contraindications involving opioids and liver health. If you are unsure whether it is appropriate for you, a licensed clinician should assess your history and current medicines. The information below is general and not a substitute for individualized medical advice.
What Naltrexone Is Used For
Naltrexone is widely used as an aid in the treatment of alcohol use disorder, where it may help reduce cravings and the likelihood of heavy drinking in some people. It is also used in opioid use disorder, primarily to help prevent relapse after detoxification by blocking opioid effects. In this context, it must be started only after opioids have been fully cleared to avoid precipitated withdrawal. It is typically part of a comprehensive program that may include behavioural therapy and recovery supports.
Some clinicians may discuss “low-dose naltrexone” (LDN) for other conditions; however, these uses can be off-label and the evidence base varies by indication. If LDN is being considered, dosing and formulation are different from standard tablets and require careful clinical oversight. Patients should be cautious about claims that overstate benefits for unapproved uses. A pharmacist or prescriber can clarify whether a proposed use is evidence-aligned and appropriate.
Naltrexone is not an opioid and does not provide pain relief. In fact, it can interfere with opioid pain medications and emergency opioid analgesia. Anyone who may require opioid pain control (for example, planned surgery or acute injury risk) should discuss this in advance with their clinician. A personal safety plan can prevent treatment conflicts and delays in care.
Active Ingredient and How It’s Formulated
The active ingredient in this medication is naltrexone (commonly supplied as naltrexone hydrochloride). The formulation is designed to be absorbed through the digestive tract when taken by mouth as a tablet. In some markets, an extended-release injection exists, but availability and coverage can differ by jurisdiction. Your clinician will select a formulation based on medical history, adherence considerations, and access.
Tablets may contain inactive ingredients that help with stability and manufacturing. These excipients vary by manufacturer and can matter for people with specific intolerances or allergies. If you have had reactions to tablet fillers, dyes, or binders, ask for the product monograph or pharmacist guidance before starting. A reputable pharmacy can provide manufacturer details and lot information when needed.
Naltrexone should be used only as directed and only for the person it was dispensed to. Sharing medications is unsafe and can be dangerous in opioid-exposed individuals. Proper dispensing practices and patient identification checks are important safety steps. If you are switching brands, confirm the strength and appearance with your pharmacist.
A Brief History: Discovery and Development
Naltrexone was developed as part of efforts to create medications that could block the effects of opioids at their receptors. Earlier antagonist compounds informed the pathway toward more practical options that could be used in longer-term treatment settings. Over time, research and clinical experience clarified how antagonists could support relapse prevention. This helped shape modern approaches that combine medication with behavioural and social supports.
Clinical adoption expanded as the understanding of substance use disorders evolved from a moral framing to a health condition model. Naltrexone’s role became most established in alcohol use disorder and in opioid relapse prevention after detoxification. Longer-acting formulations were later explored to address adherence challenges. Today, many guidelines emphasize individualized selection among multiple evidence-based options.
Although the science behind receptor blockade is straightforward, real-world outcomes depend on matching the right medication to the right patient at the right time. This is why screening for current opioid use and evaluating liver health are routine parts of naltrexone initiation. The medication is best viewed as one tool within a structured care plan. Ongoing monitoring is a standard part of safe use.
Mechanism of Action: How Naltrexone Works
Naltrexone works primarily by binding to opioid receptors, especially the mu-opioid receptor, without activating them. By occupying these receptors, it reduces or blocks the effects of opioid drugs. This blockade can lower the reinforcement that contributes to relapse in opioid use disorder. It is important to understand that the blockade is competitive and dose-dependent.
In alcohol use disorder, the mechanism is more complex and is thought to involve modulation of reward pathways influenced by endogenous opioids. For some patients, this translates into reduced cravings or less reinforcement from drinking. The effect varies among individuals and may take time to evaluate. Regular follow-up helps determine whether the medication is beneficial for a given person.
Because naltrexone blocks opioid receptors, taking opioids while on naltrexone may result in reduced opioid effect and can lead some people to try higher opioid doses. This is dangerous and increases overdose risk, particularly when naltrexone is stopped and tolerance is lower. Patients should be counselled on overdose prevention and the risks of attempting to “override” the blockade. Carrying naloxone where appropriate and following local guidance can be life-saving.
Available Forms and Common Dosages
Naltrexone is commonly available as an oral tablet, often in a 50 mg strength for standard use. Some treatment plans may use different schedules, such as daily dosing or supervised dosing, depending on adherence and clinical goals. Extended-release injectable naltrexone exists in some regions and is administered by a healthcare professional at set intervals. The choice of form can affect convenience, cost, and treatment continuity.
Dosage is individualized and may involve a brief initiation plan to confirm tolerability. Clinicians may check liver function and confirm opioid-free status before starting. If you have kidney or liver impairment, dosing and monitoring may differ. Always follow the directions on your prescription label and the product monograph.
Do not change the dose or stop abruptly without discussing it with your prescriber, especially if there is a risk you might return to opioid use. Stopping can increase vulnerability to overdose due to reduced tolerance. If side effects occur, a clinician may adjust the plan rather than discontinuing abruptly. Pharmacists can also help manage common, non-emergency side effects.
How to Take Naltrexone Correctly
Take naltrexone exactly as prescribed, at the same time each day if you are on a daily schedule. It can generally be taken with or without food, although taking it with food may help if you experience stomach upset. Swallow tablets with water and avoid doubling up doses if you miss one. If you forget a dose, follow your prescriber’s instructions or ask your pharmacist for guidance.
Before starting, your clinician may confirm that you are not currently using opioids and may perform or request testing as appropriate. Starting naltrexone too soon after opioids can cause a sudden, severe withdrawal reaction. This risk is one of the most important safety considerations with this medication. If you are unsure about timing after opioid use, do not start until you have medical confirmation.
Ongoing follow-up matters because recovery goals, cravings, and side effects can change over time. Some people benefit from structured reminders, blister packaging, or family-supported adherence strategies. If you have an upcoming procedure or injury risk that could require opioid pain control, inform your care team early. Planning ahead helps avoid pain management complications.
How Long It Takes to Work and How Long Effects Last
Naltrexone’s receptor blockade begins after absorption, and many people will have meaningful receptor occupancy within hours of taking an oral dose. However, the clinical benefits—such as reduced cravings or fewer episodes of heavy drinking—are typically assessed over days to weeks. Response is individual, and some patients notice changes sooner than others. A structured follow-up schedule helps evaluate benefit realistically.
For oral naltrexone, the blocking effect can extend beyond the immediate dosing window, but it is not permanent. Missing doses can reduce protection against relapse and can create risk if opioid use occurs after a period off the medication. For extended-release injections, the effect is designed to last for weeks, but timing and coverage depend on the specific product and dosing schedule. Your prescriber can explain what to expect for your formulation.
If you are taking naltrexone for alcohol use disorder, it may work best when combined with practical strategies such as avoiding triggers, building coping skills, and engaging in counselling. Medication alone may not address the behavioural and social drivers of relapse. Tracking cravings, drinking episodes, or triggers can help you and your clinician adjust the plan. This approach supports safer, more measurable progress.
How Long Naltrexone Stays in the Body
Naltrexone is metabolized in the body and cleared over time through normal elimination pathways. While a portion leaves relatively quickly, metabolites can persist longer, and the functional receptor-blocking effects may last longer than the drug’s presence in blood. The exact timeline varies with dose, formulation, liver function, and individual metabolism. For these reasons, clinicians use practical guidance rather than relying on a single universal clearance time.
If opioid pain control is needed, timing since the last dose can matter, and alternatives to opioids may be prioritized depending on urgency and clinical judgement. Never attempt to self-manage this by stopping naltrexone without speaking to a clinician. In emergencies, it is critical to tell healthcare providers that you are taking naltrexone. This information affects safe analgesia choices.
Drug testing and detection windows can vary widely depending on the test type and what is being measured. If testing is relevant for work, travel, or treatment program requirements, ask the testing authority what they screen for. Your pharmacist can provide general information, but the testing provider sets the interpretation rules. When in doubt, bring your prescription documentation.
Scientific Evidence and What Research Typically Shows
A substantial body of clinical research supports naltrexone as one evidence-based option for alcohol use disorder, with benefits that may include fewer heavy drinking days for some patients. In opioid use disorder, evidence supports its role in preventing relapse after detoxification, but it requires successful initiation when the person is opioid-free. Comparisons with other medications often highlight that each option has different strengths and adherence considerations. The “best” choice depends on medical history, patient preference, and treatment setting.
Research and guideline discussions frequently emphasize that medication outcomes improve when paired with psychosocial support. This does not mean counselling is mandatory for everyone, but it often increases the chance of sustained improvement. Studies also underscore the importance of adherence; taking tablets inconsistently reduces effectiveness. Extended-release formulations were developed partly to address this challenge.
Evidence evolves, and off-label uses may have smaller or mixed research bases. If you are considering naltrexone for a non-standard indication, ask for an explanation of the rationale, expected benefits, and monitoring plan. A trustworthy pharmacy will not overstate outcomes or market the medication as a cure-all. Decisions should be grounded in balanced risk-benefit discussion.
Dependence, Addiction Potential, and Misuse Considerations
Naltrexone is not an opioid and does not produce euphoria or reinforcement in the way addictive substances do. It is not considered habit-forming in the typical sense and is not used to create dependence. That said, stopping naltrexone can increase vulnerability to opioid overdose if a person returns to opioid use, because opioid tolerance may be reduced. This is a safety issue rather than an addiction potential of naltrexone itself.
Misuse can occur if someone takes naltrexone without understanding opioid withdrawal risk or if they attempt to override the blockade by taking large amounts of opioids. Both situations can lead to serious harm. Education and screening before initiation are essential components of safe care. Families and support networks may also benefit from overdose-prevention education where appropriate.
If you are in recovery, discuss relapse prevention tools with your care team, including naloxone access and safer-use education if relevant in your community. Even for patients taking naltrexone primarily for alcohol use disorder, inadvertent opioid exposure (for example, certain pain treatments) should be considered. Open communication with clinicians helps avoid preventable emergencies. Pharmacists can reinforce these precautions at dispensing.
Side Effects: What to Expect
Common side effects of naltrexone can include nausea, stomach discomfort, headache, dizziness, fatigue, and sleep disturbances. Many people find these effects are mild to moderate and improve after the first days or weeks. Taking the medication with food may reduce gastrointestinal symptoms. If side effects persist or interfere with daily function, discuss adjustments with your prescriber.
Naltrexone can affect liver function in some cases, especially at higher doses, so clinicians may check baseline and follow-up liver tests depending on your risk factors. Seek medical advice promptly if you develop symptoms that could suggest liver problems, such as persistent abdominal pain, dark urine, or yellowing of the skin or eyes. Do not ignore these symptoms or attempt to manage them without clinical input. Monitoring is a normal part of safe therapy.
Some people experience mood changes or anxiety, which can be hard to distinguish from underlying conditions or early recovery changes. Report significant mood symptoms, suicidal thoughts, or severe agitation urgently. If you have a history of depression or other mental health conditions, proactive monitoring is wise. Coordinated care between addiction services and mental health supports can improve safety and outcomes.
Allergic Reactions and When to Seek Help
Allergic reactions to naltrexone are uncommon but possible. Signs can include rash, itching, swelling (especially of the face, lips, tongue, or throat), severe dizziness, or difficulty breathing. These symptoms can progress quickly and require urgent medical attention. If you suspect a serious allergic reaction, seek emergency care immediately.
Less severe skin reactions should still be reported, particularly if they spread or are accompanied by fever or mucosal involvement. Some reactions can be related to inactive ingredients rather than the active drug. If you have known allergies to certain dyes or excipients, ask your pharmacist to review the specific product’s ingredient list. Documentation of the reaction helps future medication choices.
Do not restart naltrexone after a suspected allergic reaction unless a clinician advises it is safe. Rechallenge can be dangerous. Keep a list of your medication allergies and share it with every pharmacy and healthcare provider you use. This is a simple step that meaningfully improves safety.
Who Should Not Take Naltrexone
Naltrexone is not appropriate for people who are currently using opioids, who have opioid dependence without completing detoxification, or who may require opioid analgesics immediately. Taking it in these circumstances can trigger severe withdrawal or block necessary pain control. A careful history and, in some cases, testing are used to reduce this risk. If you are unsure whether a medication contains an opioid, ask a pharmacist before starting.
People with acute hepatitis or significant liver impairment may not be candidates for naltrexone, depending on clinical assessment. Because the liver is involved in metabolism, clinicians often evaluate liver-related risk before prescribing. This does not mean everyone needs extensive testing, but it does mean liver symptoms should be taken seriously. Always disclose past liver disease, heavy alcohol use history, or abnormal liver tests to your prescriber.
If you are pregnant, planning pregnancy, or breastfeeding, decisions about naltrexone require individualized medical guidance that weighs maternal benefit and fetal/infant risk. Do not start or stop therapy based solely on online information. A clinician familiar with addiction medicine and perinatal care is best positioned to advise. Pharmacists can support with general safety information and coordination of care.
Age and Other Practical Restrictions
Age eligibility depends on indication, product labeling, and prescriber judgement. In many settings, naltrexone is primarily used in adults, and use in adolescents requires specialist oversight and careful monitoring. If the patient is under the age of majority, consent rules and guardian involvement may also apply. A legitimate pharmacy process will respect these safeguards.
Other restrictions can include the need for reliable follow-up and the ability to comply with opioid avoidance rules. For example, a person in an environment with high risk of opioid exposure may need additional supports. Occupational considerations may also matter if dizziness or fatigue affects safety-sensitive work. Report side effects that could impact driving or operating machinery.
Recovery treatment plans often include counselling, peer supports, or structured programs, and these can be especially important for younger patients. Medication should not be used as the only support when risks are high. In Canada, access pathways vary by province and by local services. Your prescriber can advise on programs and follow-up options.
Interactions With Alcohol, Opioids, and Other Medicines
Naltrexone is used in alcohol use disorder, and drinking alcohol while taking it is not the same as combining alcohol with sedative medications. However, drinking can still be hazardous to health, and naltrexone does not prevent alcohol poisoning or impairment. Some people notice reduced reward from drinking, while others may not. Safe goals and limits should be discussed with a clinician.
The most critical interaction is with opioids, including opioid pain medications, cough preparations containing opioids, and illicit opioids. Naltrexone can block their effects and can precipitate withdrawal if opioids are present in the body. Always tell clinicians and dentists that you are taking naltrexone before receiving pain treatment. A medication card or note in your phone can be helpful in emergencies.
Other drug interactions are possible, particularly with medications affecting liver function or causing similar side effects such as nausea or dizziness. Provide your full medication list, including over-the-counter products and supplements, to your prescriber and pharmacist. Do not rely on online interaction checkers alone for complex situations. Pharmacist review remains one of the safest ways to identify avoidable risks.
Overdose, Emergency Situations, and What to Do
Naltrexone overdose is uncommon, but taking more than prescribed can increase side effects such as nausea, abdominal discomfort, dizziness, or more serious complications in susceptible individuals. If you suspect an overdose, seek urgent medical advice. In Canada, contacting local poison control services or emergency care is appropriate if symptoms are severe or rapidly worsening. Keep the medication package available so clinicians can confirm the product and strength.
A major emergency risk involves opioid overdose after stopping naltrexone or attempting to override its blocking effect. Because opioid tolerance can be lower after a period of abstinence, the same opioid dose that was previously tolerated can become fatal. If someone is unresponsive, has slow or stopped breathing, or cannot be awakened, call emergency services immediately. If naloxone is available, administer it according to instructions while waiting for help.
Do not delay emergency care because of uncertainty about what was taken. When responders arrive, disclose naltrexone use and any possible opioid exposure. This information supports faster, safer treatment decisions. After an emergency, follow-up care is essential to reassess the treatment plan and safety strategies.
Storage, Handling, and Shelf-Life Basics
Store naltrexone at room temperature in a dry place, away from excess heat and moisture. Avoid storing it in bathrooms where humidity can be high. Keep the medication in its original packaging until use to protect it and preserve identification details. Always keep medicines out of reach of children and pets.
Do not use tablets past the expiry date, and do not use tablets that look damaged, discoloured, or inconsistent with prior fills without checking with a pharmacist. If you receive a new brand, tablet shape and markings may differ, but the label should match the strength and instructions. A reputable pharmacy can confirm whether an appearance change is expected. When travelling, keep medication in your carry-on with the pharmacy label intact.
For disposal, do not flush medications unless specifically instructed. Many communities in Canada offer pharmacy take-back programs for unused or expired medicines. Safe disposal reduces accidental ingestion and environmental contamination. Ask your pharmacist for the simplest local option.
Alternatives to Naltrexone
Alternatives depend on the condition being treated and the individual’s medical history. For alcohol use disorder, other medications may be considered in appropriate patients, and psychosocial interventions remain a central pillar. For opioid use disorder, opioid agonist therapies are often used and may be preferred for many people due to strong evidence and retention benefits. The best approach is individualized and should be discussed with an experienced clinician.
Non-pharmacologic supports can include counselling approaches, peer support groups, recovery coaching, and structured treatment programs. For many patients, combining medication with behavioural support improves adherence and outcomes. Co-occurring conditions such as depression, anxiety, or chronic pain may also need direct treatment. Addressing these factors can reduce relapse risk.
If naltrexone is not tolerated, clinicians may consider dose adjustments, formulation changes, or a switch to another evidence-based therapy. Do not change therapies without guidance, especially when opioids are involved. A pharmacist can assist by explaining expected effects, side-effect management, and safe transition considerations. Continuity of care is particularly important during medication changes.
Buying Naltrexone Online in Canada: Prescription, Compliance, and Safety
In Canada, naltrexone is generally treated as a prescription medication, and legitimate supply typically involves a valid prescription and pharmacist oversight. If you see claims that you can obtain it “no prescription,” treat them cautiously because requirements can vary by province, regulator, and the specific product being supplied. A safer approach is to use a service that verifies clinical appropriateness and complies with Canadian pharmacy standards. This protects patients from counterfeit products, incorrect strengths, and unsafe dispensing.
If you are looking to buy naltrexone through an online pharmacy, prioritize platforms that clearly display pharmacy licensing details, provide pharmacist access, and require appropriate clinical information. Reputable pharmacies will ask about opioid use, current medications, allergies, and liver history. They may also confirm identity and shipping address to prevent diversion and dispensing errors. These checks can feel inconvenient, but they are strong indicators of safety.
Be wary of sites that offer unrealistically fast access without any health questions, that hide contact information, or that do not provide a Canadian pharmacy address. Counterfeit or substandard products are a known risk in unregulated channels. If you have any doubts, consult a local pharmacist before purchasing. Your health and privacy are better protected when the process is transparent and regulated.
Typical Price Range and Value Considerations
Medication pricing in Canada can vary based on province, dispensing fees, manufacturer, and whether you have private coverage or a public program. For oral naltrexone tablets, online listings in the market often show a broad illustrative range from tens to over a hundred Canadian dollars per month depending on strength, quantity, and pharmacy fees. These figures can change and should be treated as approximate rather than guaranteed. Your final cost may also include consultation, dispensing, and shipping where applicable.
When comparing cost, check what is included: pharmacist counselling access, discreet packaging, refill reminders, and shipping or pickup options. The lowest advertised price is not always the best value if essential safety checks are missing. Also confirm whether the product is a Canadian-authorized version and whether it includes clear labeling in English and/or French as required. A transparent receipt and clear return/refund policy are also meaningful quality indicators.
If you have insurance, you may be able to submit receipts for reimbursement depending on your plan. Keep documentation of the drug identification number and dispensing information if provided. If you are uncertain about coverage, ask your insurer and pharmacist for guidance. Cost discussions are appropriate to have openly so that therapy remains sustainable.
How to Order From Our Online Pharmacy and Track Your Package
To order naltrexone through our online pharmacy process, start by selecting the correct strength and quantity, then completing a health questionnaire and providing your prescription details when required. Our workflow is designed to support safe dispensing by collecting key information such as allergies, current medications, and any recent opioid use. A licensed pharmacist review is an important step to reduce interaction risks and confirm suitability. If anything is unclear, we may contact you for clarification before dispatch.
After approval, your medication is prepared with standard pharmacy labeling and packaged discreetly for delivery within Canada. Shipping times depend on your location and the chosen carrier service. If you need the medication by a specific date, plan ahead and consider refilling early to avoid gaps. Continuity is especially important for relapse prevention strategies.
Once shipped, package tracking is provided so you can follow progress from dispatch to delivery. You will typically receive a tracking reference and status updates as the parcel moves through the carrier network. If a delivery is delayed or the tracking status appears stalled, contact customer support promptly so we can open a carrier inquiry. For privacy and safety, ensure your delivery address is secure and accessible.
Frequently Asked Questions
What should I tell my prescriber before starting naltrexone?
Share your full medication list, any liver disease history, and whether you’ve used any opioid pain medicines, cough syrups, or illicit opioids recently. Naltrexone can trigger sudden withdrawal if opioids are in your system, so timing and honest disclosure are important. Also mention pregnancy, breastfeeding, and any past reactions to similar medicines.
Can naltrexone be started right after stopping opioids?
Usually, naltrexone is started only after a confirmed opioid-free period to avoid precipitated withdrawal. The exact timing depends on the opioid used (short-acting vs long-acting) and your clinical situation. Your clinician may use history, testing, or a supervised approach to confirm it’s safe.
Will naltrexone affect pain control if I need surgery or dental work?
Yes—because it blocks opioid receptors, typical opioid pain medicines may not work well while naltrexone is active. Tell your surgeon, dentist, or anaesthesiologist ahead of time so they can plan non-opioid options or a safe strategy if stronger pain control is needed. Do not stop or restart naltrexone on your own without medical guidance.
Is it safe to drink alcohol while taking naltrexone?
Naltrexone is not known to cause a dangerous reaction with alcohol like some other medicines, but drinking can still worsen sedation, judgement, and health risks. If you’re taking it for alcohol-use disorder, drinking may reduce progress and can increase liver strain. Discuss realistic goals and safe limits with your prescriber.
What are the most common early side effects, and do they improve?
Some people notice nausea, headache, dizziness, fatigue, or sleep changes when they first start. These effects are often mild to moderate and may settle as your body adjusts. If symptoms are severe, persistent, or interfere with daily functioning, contact your prescriber for advice.
Does naltrexone require monitoring of liver function?
Because naltrexone is processed by the liver, clinicians often consider baseline and follow-up liver tests, especially if you have risk factors or symptoms such as yellowing of the skin/eyes or dark urine. Monitoring plans vary by individual and dose. Seek medical care promptly if you develop signs of liver trouble.
Can naltrexone cause mood changes or worsen depression?
Mood changes are not common, but they can happen, particularly in people with a history of depression or other mental health conditions. If you notice new or worsening low mood, irritability, or thoughts of self-harm, get urgent help and inform your care team. Ongoing mental health support is often part of successful treatment.
What happens if I miss a dose of naltrexone tablets?
Take it when you remember if it’s the same day, but if it’s close to your next dose, skip the missed dose and continue as scheduled. Do not double up doses to “catch up,” as that may increase side effects. If missed doses are frequent, ask your pharmacist or prescriber about adherence strategies.
Can I take naltrexone with common cold, cough, or diarrhoea medicines?
Use caution, because some cough and cold products may contain opioid-like ingredients in certain markets, and anti-diarrheal products like loperamide can be misused. Check labels and ask a pharmacist before using combination products. In Canada, a pharmacist can help you select compatible non-opioid options.
How can I buy naltrexone online safely in Canada?
If you plan to buy online in Canada, use a pharmacy that requires appropriate clinical review and dispenses medications according to Canadian regulations. Verify licensing, look for clear contact details, and avoid sites that promise controlled medicines with no medical screening. When in doubt, ask a local pharmacist to help you confirm whether an online pharmacy is legitimate.
Pharmacist Review
This page about Naltrexone has been professionally reviewed for clinical accuracy, balance, and patient safety considerations by a licensed pharmacist practising in Canada.
| Reviewer | Alyssa M. Chen |
|---|---|
| Professional title | Doctor of Pharmacy (PharmD), Registered Pharmacist (RPh) |
| Professional identifier | OCP Registration No. 224981 |
| Regulatory body | Ontario College of Pharmacists (OCP) |
| Review date | July 17, 2026 |
In reviewing this content, particular attention was paid to safe use information that commonly affects patient outcomes, including appropriate dosing and administration, relevant contraindications and precautions, and clinically important interactions (especially with opioids and other medicines that may be used for pain or cough).
Important: This material is provided for informational purposes only and does not replace advice from a physician or other qualified health-care professional. Always consult a prescriber for diagnosis and treatment decisions, and seek urgent medical care if you suspect a serious reaction or emergency.
Pharmacy Location & Store Hours
For in-person support with Naltrexone, you can visit our pharmacy at the address below.
Address: 1055 W Georgia St, Vancouver, BC V6B 2W9, CA
| Day | Hours |
|---|---|
| Monday–Friday | 9:00 a.m.–7:00 p.m. |
| Saturday | 10:00 a.m.–5:00 p.m. |
| Sunday | 11:00 a.m.–4:00 p.m. |
Hours listed reflect our retail counter schedule and may vary on statutory holidays.