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Methadone is a long-acting opioid agonist that is FDA-approved for the treatment of opioid use disorder (OUD) and moderate-to-severe chronic pain. When taken long-term, methadone can lead to physical dependence and challenging withdrawal symptoms when a person cuts back, misses a dose, or stops the medication. [2][4] This article will review the symptoms, timeline, and recovery process of methadone detox.
- Methadone is an FDA-approved medication that can be safely used long-term as medication-assisted treatment for the treatment of OUD and moderate or severe chronic pain disorders.
- Methadone does cause physical dependence when taken long-term, and upon discontinuation, it causes uncomfortable symptoms of withdrawal, including flu-like symptoms, changes in mood and energy levels, and drug cravings.
- The symptoms of methadone withdrawal begin 1–3 days after the last dose and can persist for 2–4 weeks, with some individuals experiencing residual symptoms for several months.
Understanding methadone withdrawal
Methadone is an FDA-approved agent used for medication-assisted treatment (MAT) in treating opioid use disorder, and it can also be prescribed for moderate or severe chronic pain conditions. [4] While it is a highly effective medication, it also leads to physical dependence when used long-term. As a result, methadone can lead to uncomfortable physical and psychological withdrawal symptoms. [2]
Methadone withdrawal, also called methadone detox, occurs in the days and weeks after a person cuts back, misses a dose, or stops taking the medication after taking it long-term. While methadone withdrawal isn’t usually medically dangerous, it can be very painful, distressing, and uncomfortable. Despite the fact that most people stop the medication cold turkey, a more gradual tapering of the medication is recommended, and this can greatly help to ease withdrawal symptoms. [1][2]
Methadone works on opioid receptors, which means that the symptoms of withdrawal are very similar to withdrawals from heroin or other opioids. However, because methadone is a longer-acting opioid, the withdrawal symptoms tend to start later and last longer. The severity and duration of withdrawals can vary depending on a number of factors, including the dose, frequency, and length of time the person was taking the medication. In most cases, the most severe withdrawal symptoms are physical in nature and will abate within about a week, while milder psychological symptoms can persist for weeks or months. [1][2][4]
How long do I need to stay on methadone?
Methadone can be safe and effective to stay on long-term for the management of OUD or chronic pain, so there is no prescribed limit to how long a person can stay on this medication. [2] There may be some individuals who prefer to stop taking this medication for a variety of reasons, including the inconvenience of needing to regularly go to an OTP clinic, the cost of their medication, or unwanted side effects they experience.
The decision to stop taking methadone should be weighed carefully against any potential risks and should be discussed with your provider or treatment team. Because methadone can cause unpleasant withdrawals, most providers recommend slowly tapering off the medication, as opposed to suddenly stopping. In some cases, other medications (like naloxone or clonidine) may be prescribed to help shorten or ease withdrawal symptoms during methadone detox.
Deciding when to taper
If you are planning on detoxing from methadone, it is important to consider the timing of your scheduled taper. While tapering off the medication can reduce the severity and intensity of withdrawal symptoms, it is likely that you will still experience discomfort during the process, especially in the days after a dose reduction.
Consider the following factors when deciding when to begin your methadone taper:
- Stability of recovery and risk of relapse (if taking for OUD)
- Current methadone dose and how long you’ve been on it
- What other obligations, responsibilities, or stressors are active in your life
- The level of social support you will have during this time
- Your overall physical health
- Your overall mental and emotional stability
- Personal feelings of readiness
- Understanding of what to expect during methadone detox and withdrawal
Methadone withdrawal symptoms
Methadone withdrawal can be difficult and uncomfortable. While the specific symptoms can vary from person to person, many people describe similar experiences during methadone detox. In the first week of detox, withdrawal symptoms can be very uncomfortable and intense, but the symptoms usually slowly improve after this point. [1]
Below is a list of common physical and psychological withdrawal symptoms people experience during a methadone detox: [1][2]
- Watery eyes and nose
- Anxiety and irritability
- Restlessness and insomnia
- Drug cravings
- Sweating
- Goosebumps
- Hot and cold chills
- Excessive yawning
- Muscle aches and pains
- Abdominal cramps and gastrointestinal pain
- Nausea and vomiting
- Diarrhea
- Fatigue and weakness
- Trouble focusing
- Elevated heart rate and blood pressure
- Shaking and tremors
- Feeling moody or depressed
Methadone withdrawal timeline
Methadone has a longer half-life than many other opioids, and it can take several days to fully leave the system. Because of this, it is a slow-acting drug that can cause protracted withdrawal symptoms. While everyone’s experience can be a little different, many people report that methadone withdrawal lasts for several weeks, with the most intense symptoms occurring in the first week.
Withdrawal symptoms generally begin within 1–3 days after the last dose, starting with mild flu-like symptoms. Symptoms usually peak between days 3–8, with many people experiencing moderate-to-severe flu-like symptoms, body aches, gastrointestinal problems, restless discomfort, and strong drug cravings. [1][2][3]
After 2–4 weeks, most people report that their physical withdrawal symptoms abate, but they continue to notice impairments in their mood, energy levels, sleep, and ability to focus. Lingering drug cravings are also common during this time, and these can increase the risk of relapse. [2][3]
| Time After Last Dose | What to Expect |
|---|---|
| 24-48 hours | Mild withdrawal symptoms may begin, including anxiety, sweating, yawning, watery eyes, and cravings. Some individuals may not notice symptoms until 48–72 hours after their last dose. |
| 3-8 days | Symptoms usually reach their peak. Muscle aches, gastrointestinal distress, insomnia, chills, sweating, and intense cravings are often most severe during this period. |
| 2-4 weeks | Most acute physical symptoms gradually improve, although fatigue, poor sleep, and mood changes may continue. |
| Several weeks to months | Some individuals experience ongoing emotional symptoms, sleep disturbances, and intermittent cravings while the brain continues to recover. |
Post-acute withdrawal syndrome
The acute withdrawal from methadone is usually complete within 2 weeks or a month at most after methadone discontinuation, but some people experience lingering withdrawal symptoms associated with post-acute withdrawal syndrome (PAWS).
PAWS is more likely to develop in people who have used methadone or other opioids for a long period of time. Unlike acute withdrawal symptoms, the symptoms of PAWS are often more psychological than physical, but they can still be very challenging to experience.
Common symptoms of PAWS include these:
- Sleep problems and insomnia
- Fatigue and lack of energy
- Feeling depressed or down
- Lack of motivation and drive
- Problems focusing and being productive
- Persistent cravings
- Anxiety or irritability
- Moodiness
- Lack of interest or pleasure in enjoyable activities
Methadone withdrawal management
Methadone withdrawal can be very difficult and uncomfortable, especially without medical support. Individuals who are considering stopping methadone should always schedule an appointment with their OTP clinic or provider to discuss their options and make a plan to safely detox from methadone.
Rather than stopping cold turkey, medical providers recommend gradually tapering off methadone, which can greatly reduce the intensity and discomfort of withdrawal. Many providers will also be able to present options for medication-assisted treatment, which can facilitate the detox process and ease withdrawals. [2]
In addition to working closely with a clinic provider when getting off methadone, it is also important to ensure you are practicing effective self-care and using your support system. Many people find it helpful to remain engaged in therapy, mutual help groups like 12-step programs, or other recovery-oriented programs during the detox process. This involvement can lower relapse risk and reinforce positive new routines and habits that support sustained recovery. [1][2]
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