INGREZZA or INGREZZA SPRINKLE can cause serious side effects in people with Huntington’s disease, including: depression, suicidal thoughts, or suicidal actions. Tell your healthcare provider before you start taking INGREZZA or INGREZZA SPRINKLE if you have Huntington’s disease and are depressed (have untreated depression or depression that is not well controlled by medicine) or have suicidal thoughts. Pay close attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. This is especially important when INGREZZA or INGREZZA SPRINKLE is started and when the dose is changed. Call your healthcare provider right away if you become depressed, have unusual changes in mood or behavior, or have thoughts of hurting yourself., Ingrezza (valbenazine) is used to treat tardive dyskinesia (TD) and chorea associated with Huntington's disease. Ingrezza uses, side effects, doses, and more., Learn how always once-daily INGREZZA® (valbenazine) capsules can be used to treat tardive dyskinesia (TD). See PI, including Boxed Warning, and Med Guide..