acamprosate vs tranylcypromine

PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.

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

Drug Class
acamprosate GABA Analog (Alcohol Dependence)
tranylcypromine Monoamine Oxidase Inhibitor (MAOI)
Type
acamprosate Prescription
tranylcypromine Prescription
Summary
acamprosate

Acamprosate is a medicine that can help you stay away from alcohol if you are alcohol-dependent and have already stopped drinking. It should be used with counseling and support.

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
acamprosate

Acamprosate helps people who are alcohol-dependent to not drink alcohol. You must have already stopped drinking before you start taking acamprosate. This medicine works best when it is part of a complete treatment plan that includes counseling and support.

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
acamprosate

Acamprosate is similar to a natural substance in your brain. It is thought to work by helping to restore the normal balance of brain activity that is changed by long-term alcohol use. This can reduce your craving for alcohol.

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
acamprosate
  • Accidental injury
  • Weakness
  • Pain
  • Loss of appetite
  • Diarrhea
tranylcypromine
  • Dry mouth
  • Dizziness
  • Trouble sleeping
  • Feeling sleepy
  • Headache
FAERS Reports
acamprosate
  • Hypotension 14
  • Asthenia 13
  • Condition Aggravated 13
  • Acute Kidney Injury 12
  • Coma 12
tranylcypromine
  • Drug Interaction 68
  • Depression 36
  • Serotonin Syndrome 27
  • Headache 24
  • Hypertension 24
Serious Warnings
acamprosate

Acamprosate may increase the risk of suicidal thoughts or actions. Your doctor should watch you for depression or suicidal thoughts. Tell your doctor right away if you have any new or worsening symptoms of depression or suicidal thoughts.

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
acamprosate

Acamprosate may harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if acamprosate passes into breast milk. Talk to your doctor if you are 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 acamprosate vs tranylcypromine Comparison

acamprosate is classified in the GABA Analog (Alcohol Dependence) 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, acamprosate has 64 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. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. 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 acamprosate or tranylcypromine.

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