methadone vs tramadol
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Side-by-side comparison of methadone and tramadol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Examples: Selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), monoamine oxidase (MAO) inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and intravenous methylene blue).
Methadone Hydrochloride Injection is a strong pain medicine. It is also used to treat opioid dependence temporarily when you cannot take medicine by mouth.
Tramadol extended-release is a strong pain medicine. It is used to treat severe, ongoing pain that needs an opioid medicine when other pain medicines don't work well enough.
This medicine is used to manage severe, ongoing pain that needs a strong opioid medicine when other pain medicines don't work well enough. It is also used for the short-term treatment of opioid dependence when you cannot take oral medication, such as if you are in the hospital. Injectable methadone is not approved for outpatient treatment of opioid dependence.
Tramadol extended-release tablets are used to manage severe, long-lasting pain. This medicine is for pain that requires an opioid and cannot be treated well with other options. It is not for pain that comes and goes.
Methadone works by attaching to opioid receptors in the brain and body. This changes how your body feels pain. It can also help reduce withdrawal symptoms if you are opioid dependent.
Tramadol works in your brain to change how your body feels pain. It binds to opioid receptors and also affects certain chemicals in the brain. This helps to lessen the pain you feel.
- • Lightheadedness
- • Dizziness
- • Sedation
- • Nausea
- • Vomiting
- • Dizziness
- • Constipation
- • Feeling sick to your stomach
- • Headache
- • Feeling sleepy
- Drug Dependence 5,614
- Toxicity To Various Agents 5,213
- Drug Abuse 4,797
- Overdose 3,840
- Pain 3,671
- Dependence 7,820
- Overdose 3,855
- Vomiting 3,155
- Pain 2,876
- Nausea 2,712
Methadone Hydrochloride Injection can cause serious and life-threatening risks, including addiction, abuse, and misuse. It can also cause life-threatening breathing problems, especially when you first start taking it or after a dose increase. Using methadone during pregnancy can cause withdrawal symptoms in the newborn. Using methadone with benzodiazepines or other drugs that can cause drowsiness, including alcohol, can cause severe sedation, breathing problems, coma, and death. Methadone can also cause a serious heart problem called QT prolongation.
Tramadol extended-release tablets can be habit-forming, leading to addiction, abuse, and misuse, which can result in overdose and death. Taking tramadol with other depressants like alcohol or benzodiazepines can cause very serious side effects, including slowed breathing, coma, and death. Even one dose of tramadol can be fatal, especially in children. Using tramadol for a long time during pregnancy can cause withdrawal symptoms in the newborn.
Using Methadone Hydrochloride Injection during pregnancy can cause withdrawal symptoms in the newborn. Talk to your doctor about the risks and benefits of using this medicine if you are pregnant or plan to become pregnant. It is not known if methadone passes into breast milk, so talk to your doctor before breastfeeding.
Tramadol may harm your unborn baby. Breastfeeding is not recommended while taking this medicine, as it can pass into breast milk and harm your baby.
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How to Read This methadone vs tramadol Comparison
methadone is classified in the Opioid Agonist drug class, while tramadol sits within the Opioid Analgesic class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, methadone has 23,135 submissions while tramadol has 20,418. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to both drugs increase serotonin levels in the brain, which can lead to a dangerous reaction called serotonin syndrome.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for methadone or tramadol.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.