acamprosate vs tetrabenazine
Side-by-side comparison of acamprosate and tetrabenazine Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Campral
Xenazine
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.
Tetrabenazine is a medicine used to treat chorea (uncontrollable movements) caused by Huntington's disease. It helps to reduce these movements.
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.
Tetrabenazine is used to treat chorea, which are the involuntary, jerky movements that happen with Huntington's disease. Huntington's disease is a brain disorder that affects movement, behavior, and thinking. This medicine can help control the movements caused by this condition.
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.
Tetrabenazine works by affecting a substance in the brain that moves other chemicals. It lowers the amount of certain chemicals, like dopamine, in the brain. This helps to control the involuntary movements (chorea) caused by Huntington's disease.
- • Accidental injury
- • Weakness
- • Pain
- • Loss of appetite
- • Diarrhea
- • Feeling sleepy or drowsy
- • Feeling tired
- • Trouble sleeping
- • Feeling depressed
- • Feeling restless
- Low blood pressure 14
- Weakness 13
- Condition worsened 13
- Using the medicine for something it is not approved for 13
- Sudden kidney damage 12
- Death 1,212
- Using the medicine for something it's not approved for 1,121
- The medicine is not working 696
- Feeling sad or hopeless 475
- Feeling sleepy or drowsy 451
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.
Tetrabenazine can increase the risk of depression and suicidal thoughts in people with Huntington's disease. If you have thoughts of harming yourself, tell your doctor right away. You should not take this medicine if you are actively suicidal or have untreated depression.
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.
This medicine may harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if this medicine passes into breast milk, so talk to your doctor if you are breastfeeding.
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How to Read This acamprosate vs tetrabenazine Comparison
acamprosate is classified in the GABA Analog (Alcohol Dependence) drug class, while tetrabenazine sits within the VMAT2 Inhibitor 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 65 submissions while tetrabenazine has 3,955. 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 substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between acamprosate and tetrabenazine — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.