tetrabenazine vs valbenazine
Side-by-side comparison of tetrabenazine and valbenazine Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
7.7 Concomitant Deutetrabenazine or Valbenazine Tetrabenazine is contraindicated in patients currently taking deutetrabenazine or valbenazine.
Recommendation: Do not use these drugs together. Your healthcare provider should prescribe only one of these medicines to manage your condition.
Xenazine
Ingrezza
Tetrabenazine is a medicine used to treat chorea (uncontrollable movements) caused by Huntington's disease. It helps to reduce these movements.
Ingrezza and Ingrezza Sprinkle are medicines used to treat movement problems. They can help with tardive dyskinesia and chorea caused by Huntington's disease.
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.
This medicine treats tardive dyskinesia in adults. Tardive dyskinesia causes repetitive, uncontrolled movements. It also treats chorea, which is involuntary, jerky movements, in adults with Huntington's disease.
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.
Ingrezza works by affecting a protein in your brain called VMAT2. This protein helps control the release of certain chemicals. By blocking VMAT2, Ingrezza helps reduce unwanted movements.
- • Feeling sleepy or drowsy
- • Feeling tired
- • Trouble sleeping
- • Feeling depressed
- • Feeling restless
- • Sleepiness
- • Lethargy
- • Sedation
- • Urticaria (hives)
- • Rash
- 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
- The medicine is not working 2,719
- Sleepiness 2,412
- Tiredness 1,646
- Shaking 1,539
- Uncontrolled movements 1,471
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.
Ingrezza can increase the risk of depression and suicidal thoughts in people with Huntington's disease. Your doctor will monitor you closely for any changes in mood or behavior. Tell your doctor right away if you have any thoughts of harming yourself.
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.
Ingrezza may harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. You should not breastfeed while taking Ingrezza.
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How to Read This tetrabenazine vs valbenazine Comparison
tetrabenazine is classified in the VMAT2 Inhibitor drug class, while valbenazine sits within the VMAT2 Inhibitor class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. 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, tetrabenazine has 3,955 submissions while valbenazine has 9,787. 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 major interaction flagged in FDA labeling, attributed to these medications are designed to do the same thing in the brain to control body movements. using both at once increases the risk of dangerous side effects because they have the same target.. 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 tetrabenazine and valbenazine — 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.