methadone vs tranylcypromine

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Side-by-side comparison of methadone and tranylcypromine. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

moderate Known Drug Interaction

Product Clinical Comment on Concomitant Use [See Contraindications (4.1)] ; Predominant Effect/Risk [Hypertensive Reaction (HR) [See Warnings and Precautions (5.3)] ; or Serotonin Syndrome (SS) [See Warnings and Precautions (5.7)] ] Altretamine Use with caution If not otherwise specified in this table, consider avoiding concomitant use (see also information on medication-free intervals , use agent at the lowest appropriate dose, monitor for effects of the interaction, advise the patient to report potential effects, and be prepared to discontinue the agent and treat effects of the...

Drug Class
methadone Opioid Agonist
tranylcypromine Monoamine Oxidase Inhibitor (MAOI)
Type
methadone Prescription
tranylcypromine Prescription
Summary
methadone

Methadone Hydrochloride Injection is a strong pain medicine. It is also used to treat opioid dependence temporarily when you cannot take medicine by mouth.

tranylcypromine

Tranylcypromine (Parnate) is a medicine used to treat major depression in adults. It is used when other antidepressants have not worked well enough.

What It Treats
methadone

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.

tranylcypromine

Tranylcypromine is used to treat major depressive disorder (MDD) in adults. You should only use it if other antidepressants haven't helped. It is not for the first treatment of depression because it can cause serious side effects and has many drug and food interactions.

How It Works
methadone

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.

tranylcypromine

Tranylcypromine belongs to a class of drugs called MAO inhibitors. It works by increasing the levels of certain chemicals in your brain. These chemicals can help improve your mood.

Common Side Effects
methadone
  • Lightheadedness
  • Dizziness
  • Sedation
  • Nausea
  • Vomiting
tranylcypromine
  • Dry mouth
  • Dizziness
  • Trouble sleeping
  • Feeling sleepy
  • Headache
FAERS Reports
methadone
  • Drug Dependence 5,614
  • Toxicity To Various Agents 5,213
  • Drug Abuse 4,797
  • Overdose 3,840
  • Pain 3,671
tranylcypromine
  • Drug Interaction 68
  • Depression 36
  • Serotonin Syndrome 27
  • Headache 24
  • Hypertension 24
Serious Warnings
methadone

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.

tranylcypromine

Tranylcypromine can increase the risk of suicidal thoughts and behaviors in young adults. It can also cause a dangerous increase in blood pressure if you eat foods high in tyramine or take certain medicines. Make sure to follow all food and drug restrictions.

Pregnancy
methadone

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.

tranylcypromine

There is limited information about the safety of tranylcypromine during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. It is not recommended to breastfeed while taking this medicine because it can harm the baby.

Also Compare, Nearby Drugs

Compare tranylcypromine with

How to Read This methadone vs tranylcypromine Comparison

methadone is classified in the Opioid Agonist drug class, while tranylcypromine sits within the Monoamine Oxidase Inhibitor (MAOI) 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 tranylcypromine has 179. 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 moderate interaction flagged in FDA labeling, attributed to this combination can lead to life-threatening issues like extremely high blood pressure or serotonin syndrome. these drugs interfere with the way the body processes chemicals that regulate pain, mood, and heart rate.. 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 tranylcypromine.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.