


Trintellix (vortioxetine) is a prescription antidepressant used to treat major depressive disorder (MDD) in adults. It works mainly by increasing serotonin activity in the brain, which helps improve mood. It is not approved for children and carries a black box warning about the risk of suicidal thoughts in young people. Doctors may also consider it for patients who have not responded well to other antidepressants.
Here is a quick summary of key Trintellix information:
| Brand Name | Trintellix |
|---|---|
| Generic Name | Vortioxetine |
| Drug Class | Antidepressant (serotonin modulator & stimulator) |
| FDA Approval Status | FDA-approved for major depressive disorder (MDD) in adults |
| Available Form | Oral tablets |
| Strengths | 5 mg, 10 mg, 20 mg |
| Routes of Administration | By mouth |
| Dosing Frequency | Once daily |
| Trintellix Contraindications | Concurrent use with MAO inhibitors and known hypersensitivity to vortioxetine |
| Elimination Half-Life | 66 hours |
| Pregnancy Category | Category C (Risk can’t be ruled out) |
| Trintellix Storage | Store at 20°C-25°C (68°F-77°F) |
| Legal Status | Rx only |
| Manufacturer (U.S.) | Takeda Pharmaceuticals U.S.A., Inc. (co-marketed with H. Lundbeck A/S) |
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Trintellix is FDA-approved to treat:
Trintellix (vortioxetine) works by changing how serotonin acts in the brain. Serotonin helps control mood, memory, and focus. This medicine increases the amount of serotonin available by slowing down its reabsorption. It also acts on different serotonin receptors in the brain. Some of these receptors are blocked, while others are activated. This balanced action helps improve low mood and also supports clearer thinking and better concentration. In simple terms, it helps improve mood, focus, and mental clarity by balancing how serotonin works in the brain.
The Trintellix dosages for adults with major depressive disorder are outlined in the table below for easy reference.
| Trintellix Dosage | Notes | |
|---|---|---|
| Starting Trintellix dose | 10 mg once daily | Can be taken with or without food. |
| Target Trintellix dose | 20 mg once daily | Increase if tolerated. This is the usual effective dose. |
| Lower Trintellix dose option | 5 mg once daily | Used if higher doses are not tolerated. |
| Maximum Trintellix dose | 20 mg once daily | Doses above 20 mg/day have not been studied in controlled trials. |
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Consider the following Trintellix administration guidelines for effective use:
Trintellix side effects may include:
| Common Side Effects of Trintellix Tablets | Seizures or convulsions | Rare or Serious Side Effects of Trintellix Tablets |
|---|---|---|
| Nausea | Dizziness | Suicidal thoughts or behavior (boxed warning) |
| Constipation | Dry mouth | Serotonin syndrome (life‑threatening reaction) |
| Diarrhea | Increased sweating | Severe allergic reactions (rash, swelling, difficulty breathing) |
| Vomiting | Trouble sleeping | Abnormal bleeding (especially with blood thinners) |
| Headache | Loss of appetite | Seizures or convulsions |
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The black box warning on Trintellix (vortioxetine) is about the risk of suicidal thoughts & behaviors. Like other antidepressants, Trintellix may increase the chance of suicidal thinking or actions in children, adolescents, and young adults (up to age 24). This is especially true during the first few months of treatment or when the dose is changed. Because of this, patients should be closely monitored for any sudden changes in behavior, mood, or thoughts of self‑harm. Trintellix is not approved for use in children.
If you miss one dose of Trintellix (vortioxetine), take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed Trintellix dose. After that, you can continue with the Trintellix dosing schedule. Do not take two doses of Trintellix together to make up for the missed tablet. Because Trintellix stays in the body for a long time, missing one dose usually does not cause sudden problems. However, missing doses often can reduce its effect or bring back symptoms of depression.
In most cases, taking one extra dose is unlikely to cause serious harm, but mild side effects such as nausea, dizziness, or headache may occur. Do not take any more tablets until your next scheduled dose. If you suspect Trintellix overdose symptoms, contact the poison control center or your healthcare provider immediately.
Follow these storage guidelines when considering Trintellix dosage for depression:
Trintellix can interact with several medications. Here are some Trintellix interactions you should know about:
When considering Trintellix alternatives, here are some options:
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This content is provided for general educational and informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult a licensed doctor or healthcare professional before starting, stopping, or changing the Trintellix dose. Do not rely on this information to make medical decisions. Individual health needs and responses to treatment can vary. In case of side effects, worsening symptoms, or emergencies, seek immediate medical care.

Dr. Jackson Miller is a board-certified medicine physician & hospitalist. He is a healthcare professional with a strong background in patient care. With years of experience and a patient-first approach, he believes the foundation of good health is a patient who feels informed and empowered. He contributes to medical content review, drawing on his background in clinical practice and patient education. He focuses on presenting health information in a clear, accurate, and accessible way to help readers make informed decisions. His work emphasizes clarity, evidence-based guidance, and understandable explanations of medical topics.
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