Latuda (lurasidone) is a prescription antipsychotic medication used to treat two conditions: schizophrenia and the depressive episodes of bipolar I disorder. It’s FDA-approved for both adults and certain adolescents, and it stands out among antipsychotics for its relatively mild impact on weight and metabolism.
Schizophrenia in Adults and Teens
Latuda is approved to treat schizophrenia in adults and adolescents ages 13 to 17. For adults, the typical starting dose is 40 mg once daily, with an effective range between 40 mg and 160 mg per day. Adolescents start at the same 40 mg dose but have a lower ceiling of 80 mg per day. No gradual dose increase is required when starting the medication.
Bipolar Depression in Adults and Children
The second major use is treating depressive episodes associated with bipolar I disorder. This is sometimes called “bipolar depression,” the low phase of bipolar disorder marked by persistent sadness, fatigue, and loss of interest. Latuda is approved for this in adults and in children as young as 10.
For bipolar depression, the starting dose is lower: 20 mg once daily. Adults can take it on its own (monotherapy) or alongside a mood stabilizer like lithium or valproate, with a maximum of 120 mg per day in either case. Pediatric patients ages 10 to 17 are approved for monotherapy only, up to 80 mg per day. In clinical trials, both approaches (alone and combined with a mood stabilizer) significantly reduced depression scores after six weeks. Interestingly, higher doses in the 80 to 120 mg range didn’t provide additional benefit on average compared to the 20 to 60 mg range.
It’s worth noting that Latuda is not approved for the manic episodes of bipolar disorder, only the depressive side.
How Latuda Works
Latuda works primarily by blocking dopamine and serotonin receptors in the brain. It has particularly strong activity at a serotonin receptor called 5-HT7, which researchers believe plays a role in mood regulation and cognitive function. It also partially activates another serotonin receptor (5-HT1A) linked to anxiety reduction. This combination of receptor activity is thought to help with not just psychotic symptoms and depression, but potentially with the thinking and memory difficulties that often accompany schizophrenia.
Why It Must Be Taken With Food
Latuda has an unusually strict food requirement. You need to take it with a meal or snack containing at least 350 calories. Without food, your body absorbs dramatically less of the drug: blood levels drop to roughly half or even a third of what they’d be with a meal. Taking it on an empty stomach essentially means you’re getting a fraction of your prescribed dose. A moderate snack, like a sandwich or a bowl of cereal with milk, is enough to meet the calorie threshold.
Weight and Metabolic Effects
One of the biggest concerns with antipsychotic medications is weight gain and metabolic changes like rising cholesterol or blood sugar. Latuda consistently ranks among the most metabolically friendly options in its class. A large analysis of 100 randomized trials covering nearly 26,000 patients, published in The Lancet Psychiatry, found no evidence of significant weight gain with Latuda compared to placebo. For context, olanzapine and clozapine sat at the opposite end of the spectrum, with clozapine averaging about 3 kg (roughly 6.6 pounds) of weight gain over placebo.
Latuda also had the most favorable blood sugar profile in that analysis. It was the only antipsychotic associated with a slight decrease in glucose levels compared to placebo. Cholesterol and triglyceride changes were similarly minimal. For people who have struggled with weight gain on other antipsychotics, or who have risk factors for diabetes or heart disease, this profile is a meaningful advantage.
Common Side Effects
The most notable side effect of Latuda is akathisia, a restless, uncomfortable urge to move that can feel like an inner agitation. In adults with schizophrenia, about 13% of people taking Latuda experienced akathisia compared to 3% on placebo. In bipolar depression, the rate was around 9 to 11%. The effect appears to be dose-related: at 20 mg, roughly 6% of patients reported it, climbing to 22% at the 120 mg dose before dropping again at 160 mg.
Other common side effects include nausea, drowsiness, and movement-related symptoms like mild stiffness or tremor. These tend to be more frequent in the first weeks of treatment and may ease with time.
Generic Availability and Cost
Brand-name Latuda was once one of the more expensive psychiatric medications, but generic lurasidone is now available. Pricing for a 30-day supply of generic lurasidone starts around $13 to $14 regardless of dose strength (20 mg, 40 mg, or 60 mg), making it far more accessible than it was during its years under patent protection.
Who Should Not Take Latuda
Latuda is broken down in the liver by a specific enzyme system, and certain medications that strongly block or accelerate that system can cause dangerous interactions. Strong inhibitors of this enzyme (found in some antifungal and antibiotic medications) can cause Latuda levels to build up too high, while strong inducers (like certain seizure medications) can make it ineffective. Grapefruit and grapefruit juice also interfere with this enzyme and should be avoided. The safety and effectiveness of Latuda have not been established in children under 13 for schizophrenia or under 10 for bipolar depression.