tetrabenazine vs valbenazine
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 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.
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 1,216
- Depression 474
- Somnolence 451
- Fatigue 360
- Fall 314
- Somnolence 2,412
- Fatigue 1,646
- Tremor 1,539
- Tardive Dyskinesia 1,471
- Fall 1,104
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 2,815 submissions while valbenazine has 8,172. 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 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 tetrabenazine or valbenazine.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.