Suboxone is a prescription medicine for people who are dependent on heroin or other opioids. It combines two drugs, buprenorphine and naloxone, and in Malaysia it is prescribed by doctors, mostly in private practice, while government programmes mainly use methadone.
This guide covers how it works, how to get it legally, side effects, risks, ketum, and coming off it with a doctor.
What is Suboxone?
Suboxone is a brand name for buprenorphine combined with naloxone. It is placed under the tongue and left to dissolve.
Buprenorphine does the main work. Opioids act on receptors in the brain, switches that control pain, reward and breathing. NIDA, the US National Institute on Drug Abuse, explains that buprenorphine is a partial agonist: it fits the same switches but turns them on less strongly than heroin does. At a high enough dose, it reduces cravings and withdrawal without producing a high.
Why is naloxone added?
Naloxone blocks opioids. Very little of it is absorbed under the tongue, so taken as prescribed it has no meaningful effect. It is there to make injecting less attractive: the US prescribing label says injecting Suboxone is likely to bring on withdrawal in people dependent on heroin, morphine or methadone. How well that works is debated. A 2020 article in Frontiers in Psychiatry concluded that the evidence that naloxone stops people injecting is not clear-cut.
What is Suboxone used for?
Suboxone treats opioid dependence, helping to prevent withdrawal in people who have been using heroin or opioid painkillers, as MedlinePlus explains. The US label describes it as one part of a plan that includes counselling and psychosocial support, meaning practical and emotional help with daily life.
The World Health Organization (WHO) says maintenance treatment with methadone or buprenorphine has the strongest evidence of effectiveness and cost-effectiveness for opioid dependence, and that effective treatment can lower the risk of overdose.
How do you get Suboxone legally in Malaysia?
Buprenorphine has a history here. A Yale University presentation hosted by NIDA reported that buprenorphine tablets, sold as Subutex, were approved in Malaysia in 2002, with about 30,000 patients receiving them from private doctors. Subutex was withdrawn because of diversion, meaning medicine passed or sold on, and injecting. Buprenorphine with naloxone replaced it in December 2006.
Where things stand now:
- It comes from a doctor. A 2015 paper in the Medical Journal of Malaysia noted that its use had been limited to private practice, with government programmes preferring methadone. In practice, that means asking a private doctor who treats opioid dependence.
- It is tightly controlled. Malaysia's Poisons (Psychotropic Substances) Regulations 1989 have specific rules on how doctors obtain buprenorphine and methadone. A person may only hold such medicine if a registered doctor supplied it or a pharmacist dispensed it on a valid prescription. Buying it from someone else is not lawful.
- Government clinics mostly offer methadone. Our guide to methadone in Malaysia explains how that programme works.
How much does Suboxone cost in Malaysia?
Prices vary between clinics and change over time, depending on the strength prescribed, how often you are reviewed and any tests. Ask the clinic for the full monthly cost, consultations included, before you start.
Suboxone 8mg, film and tablet: what is the difference?
"Suboxone 8mg" usually means the strength with 8 mg of buprenorphine and 2 mg of naloxone. The US label lists the film in four strengths, all in the same four-to-one ratio. The right strength is the doctor's decision.
Buprenorphine with naloxone comes in two main forms that go under the tongue:
- Film: a thin strip. The label says it must be used whole, not cut, chewed or swallowed.
- Tablet: MedlinePlus lists tablets with the same two ingredients under other brand names.
The active ingredients are the same. In 2012 the maker stopped supplying Suboxone tablets in the United States after poison centre data showed children were accidentally exposed to the tablets far more often than to the film, which comes in child-resistant single packs. Which form a clinic stocks can vary, so ask.
Suboxone side effects
Common side effects listed by MedlinePlus and the US label:
- headache
- nausea and stomach pain
- constipation
- trouble sleeping
- sweating
- numbness, redness or soreness in the mouth or tongue, especially with the film
Less common but serious:
- Teeth. The label reports tooth decay, broken teeth and tooth loss with buprenorphine medicines that dissolve in the mouth. Regular dental check-ups help.
- Liver. Cases of hepatitis have been reported, so doctors check liver tests before and during treatment. Yellow skin or eyes, dark urine or pale stools need a doctor's attention.
- Slowed breathing and extreme drowsiness.
- Children. The label warns that accidental exposure can cause severe, possibly fatal, breathing problems in a child. Keep it out of sight and reach.
The risks to know about
Mixing with benzodiazepines, alcohol or sleeping pills
This is the biggest danger. The US label says combining buprenorphine with benzodiazepines, other sedatives or alcohol raises the risk of slowed breathing, deep sedation, coma and death. WHO lists alcohol and benzodiazepines among the main risk factors for opioid overdose.
That does not rule out treatment. In 2017 the US Food and Drug Administration advised that buprenorphine should not be withheld from people taking benzodiazepines, and that doctors should plan carefully instead. Tell your doctor everything you take, including sleeping pills and cough syrup.
Precipitated withdrawal
If buprenorphine is taken while heroin or another strong opioid is still active, it can bring on sudden, severe withdrawal, called precipitated withdrawal. The label says treatment should start only once clear signs of withdrawal have appeared, and that people switching from methadone need particular care. It is one more reason not to start Suboxone on your own.
Injecting and misuse in Malaysia
Malaysian research on this mostly dates from the late 2000s. A 2008 study of men in Kuala Lumpur who injected buprenorphine found some combined it with midazolam, a sedative, for a stronger effect. A 2009 study of 41 people injecting buprenorphine in Kuala Lumpur found that the switch to the version with naloxone did not reduce injecting, and that withdrawal was linked to more benzodiazepine injecting and more syringe sharing.
Overdose and when to call 999
MedlinePlus describes opioid withdrawal as very uncomfortable but usually not life-threatening on its own. The danger comes from mixing, and from going back to opioids after a break, when tolerance has dropped. MedlinePlus notes that most opioid overdose deaths happen in people who have just detoxed. Our guide to drug withdrawal symptoms explains what to expect.
WHO describes three signs of opioid overdose: very small pupils, being unconscious or impossible to wake, and difficulty breathing. If you see these, call 999. For emotional support, the Ministry of Health's HEAL line is on 15555.
Suboxone and ketum
Some people in Malaysia use ketum to manage opioid withdrawal on their own. A 2010 study in Kedah and Penang found that shorter-term ketum users were more likely to have used heroin, and that people drank ketum to ease withdrawal and cut down on more expensive opiates, because it was cheap and easy to find.
Ketum is not a safe swap. The US National Center for Complementary and Integrative Health says its compounds act on opioid receptors, it has not been shown to be safe or effective for opioid withdrawal, it can be addictive itself, and using it with other drugs has been linked to deaths and serious side effects.
If you use ketum to cope with withdrawal, or alongside Suboxone, tell your doctor. Our guide to ketum addiction and treatment covers ketum in more depth.
Can you get addicted to Suboxone?
Your body does get used to it. The US label says long-term use causes physical dependence, so stopping suddenly or cutting down too fast brings on withdrawal. It also notes that buprenorphine can be misused like other opioids. For someone taking it as prescribed, physical dependence is expected, and it is why coming off is done slowly, with a doctor.
How do people come off Suboxone?
Do not stop on your own. MedlinePlus warns that stopping too quickly causes withdrawal: sweating, chills, muscle pain, vomiting and diarrhoea.
What a doctor-led taper usually involves:
- A gradual reduction. The label says buprenorphine should be tapered gradually. Withdrawal is usually milder than with heroin, but it can start later than people expect.
- An honest talk about relapse. The label says patients should be told about the risk of relapse after stopping, and NIDA notes high relapse rates in some studies among people tapered off buprenorphine compared with those who stayed on it longer.
- Support during and after. WHO recommends that counselling and practical support are offered routinely alongside opioid treatment.
- Knowing the overdose risk. Tolerance falls as the dose comes down, so a dose of heroin that once felt normal can now be fatal.
If a taper feels too hard, tell the doctor. Slowing down or pausing are reasonable choices.
Suboxone vs methadone
NIDA says methadone and buprenorphine are equally effective at reducing opioid use when buprenorphine is given at a high enough dose. In Malaysia, methadone is the government programme's medicine, usually a syrup swallowed in front of clinic staff, while buprenorphine with naloxone has mostly been prescribed privately. Our methadone guide covers the comparison in more detail.
When residential treatment helps
WHO's guidelines say withdrawal management on its own is unlikely to lead to lasting abstinence, and is a first step before psychosocial treatment. Residential care can make sense when:
- someone has tried to stop or taper several times and keeps going back
- benzodiazepines, alcohol, ketum or other drugs are also involved
- depression, anxiety, trauma or poor sleep sit underneath the drug use
Residential care and Suboxone are not either-or. Our page on heroin and opioid addiction treatment explains how Salus reviews existing medication.
Common questions
Is Suboxone legal in Malaysia?
Yes, when a doctor prescribes it. Buprenorphine with naloxone has been used in Malaysia since 2006, mainly through private doctors. Holding it without a doctor's supply or a valid prescription is not lawful.
Does Suboxone get you high?
NIDA says that at a proper dose it reduces cravings and withdrawal without a high. It is still an opioid and can be misused, which is why it is controlled.
Can I take ketum with Suboxone?
Talk to your doctor first. Ketum acts on opioid receptors, is not proven safe for withdrawal, and has been linked to serious harm when mixed with other drugs.
Can I go to rehab while I am on Suboxone?
Yes. Tell the centre your current medicine and dose before you arrive, and do not stop it on your own. At Salus, the medical team reviews existing medicine as part of the assessment, and nothing is promised in advance.
How Salus can help
Salus is a private, confidential, voluntary 90-day residential programme for adults aged 18 and over in Cyberjaya, Selangor. It suits people who want to deal with opioid use, including those on Suboxone planning a supervised taper with their doctor. Every guest has a medical, psychiatric and psychological assessment on arrival, the medical team reviews any medicine the person already takes, and withdrawal is managed alongside medical care. A Salus Clinician plans daily life alongside medical care, with individual and group therapy, family sessions and an aftercare plan, for RM7,000 per month, all-inclusive.
When you are ready, call or WhatsApp Salus for a confidential conversation. Families can call first, before the person has agreed to anything.
This article is general information, not medical advice.
