Medication Guide
Vortioxetine (Trintellix) Side Effects and Uses
A plain-language guide to Vortioxetine, a Serotonin modulator antidepressant. Learn how it helps, what it treats, how to take it and which side effects to know about.
Quick answer. Vortioxetine (Trintellix) is a Serotonin modulator antidepressant. Common vortioxetine side effects include nausea, vomiting, constipation and dizziness. The rare but serious ones, and when to get help, are listed under vortioxetine side effects below. Never stop or change your dose on your own.
How Vortioxetine Can Help You
Vortioxetine (Trintellix) is a multimodal antidepressant. It blocks serotonin reuptake and also acts on several serotonin receptors. Beyond lifting mood, it has trial evidence for easing the thinking problems of depression. These include brain fog, slowed thinking and poor focus.
Many people find these problems as hard to live with as low mood. So it can be a thoughtful option when sharp thinking at work or school matters most.
Mood benefits usually build over four to eight weeks. Changes in focus tend to follow a similar timeline. Vortioxetine causes fairly little weight gain. Nausea is common early on. Your prescriber adjusts the dose based on how you respond and how you feel.
Uses for Vortioxetine
- Major depressive disorder in adults
- Depression with brain fog or poor focus
- Depression in older adults when thinking is a concern
- People who had partial relief or side effects on SSRIs
- Generalized anxiety disorder (off-label, with mixed research)
How to Take Vortioxetine
Your prescriber decides your dose and whether it should change. It is taken once a day, at any time that suits you. Food does not matter. Taking it with food can ease nausea. What matters most is the same time each day.
Missed a dose? Take it when you remember, unless the next dose is close. Then skip it and never double up. It stays in the body a long time. So stopping symptoms are less common. Still, do not stop it on your own. Higher doses are often stepped down before stopping. Your prescriber guides every change.
Vortioxetine Side Effects
Common Side Effects
- Nausea, mostly in the first weeks
- Vomiting
- Constipation
- Dizziness
- Dry mouth
- Headache
- Itching
- Sexual side effects, more likely at higher doses
Serious: Get Medical Help Promptly
- New or worse suicidal thoughts, mostly in people under 25 (boxed warning)
- Serotonin syndrome, with agitation, fever, fast heartbeat or stiff muscles
- Unusual bleeding or bruising
- Low sodium (hyponatremia), mostly in older adults
- Mania, with a very high or irritable mood
- Angle-closure glaucoma, with eye pain or vision changes
- Severe allergic reaction, with rash, swelling or trouble breathing
Vortioxetine Class and How It Works
Vortioxetine is often called a multimodal antidepressant, or a serotonin modulator and stimulator. It does not fit neatly into the SSRI or SNRI groups. Like an SSRI, it blocks the serotonin transporter. It also acts directly on several serotonin receptors, turning some up and others down.
Vortioxetine hydrobromide is the salt form in the tablet. The hydrobromide part helps make a stable pill and is not a separate medicine. When the FDA approved it in 2013, it was sold as Brintellix. The name was changed to Trintellix. This avoids mix-ups with another drug with a similar name.
Trintellix Uses and Anxiety
Trintellix is FDA approved for major depressive disorder in adults. It is not approved for children or teens. Studies of it for generalized anxiety had mixed results. It is not FDA approved for anxiety. Anxiety that comes with depression may still ease as mood improves.
It comes as tablets taken once a day. Its half-life is about 66 hours, so levels build slowly and stay steady. This long half-life helps with missed doses. One missed dose is less likely to cause stopping symptoms than with short-acting drugs.
Trintellix Side Effects in More Detail
In clinical trials, nausea was the most common side effect. It usually started in the first week and was mild to moderate. For most people, it eased over time. Some had it longer. Vomiting and constipation were less common. Sexual side effects can happen and are more likely at higher doses.
Some people notice itching, dizziness or diarrhea. Serious effects are rare but include bleeding, low sodium, mania and angle-closure glaucoma. Like all antidepressants, it has a boxed warning. It covers suicidal thoughts in young people. If you are thinking about harming yourself, call or text 988, or call 911.
Interactions to Know About
Vortioxetine must never be taken with an MAOI antidepressant, linezolid or IV methylene blue. Other drugs that raise serotonin, such as triptans, tramadol and St. John's wort, add to the risk of serotonin syndrome. Aspirin, NSAIDs and blood thinners raise bleeding risk.
The liver breaks down vortioxetine mainly with an enzyme called CYP2D6. Strong blockers of this enzyme can raise its level. Examples are bupropion, fluoxetine and paroxetine. If you take one, your prescriber may lower the dose. Strong inducers such as rifampin, carbamazepine and phenytoin can lower it. Learn about depression care by telehealth in California.
Is Vortioxetine Right for You?
Only a full evaluation with a prescriber can tell you if Vortioxetine fits your symptoms, history and goals. Harpal Singh, PMHNP-BC offers psychiatric evaluations and ongoing medication management by telehealth anywhere in California.
SCHEDULE AN APPOINTMENT CALL (888) 457-8124
Related Medication Guides
Other guides in the same group, written the same simple way. Being in one group does not mean you can swap one medicine for another.
- Vilazodone (Viibryd), SSRI and serotonin partial agonist antidepressant
- Amitriptyline (Elavil), Tricyclic antidepressant (TCA)
- Bupropion (Wellbutrin XL), Atypical antidepressant (norepinephrine-dopamine reuptake inhibitor)
- Citalopram (Celexa), SSRI antidepressant
- Desvenlafaxine (Pristiq), SNRI antidepressant
- Doxepin (Silenor), Tricyclic antidepressant (TCA)
FAQ
Questions About Vortioxetine
What class of drug is vortioxetine?
Vortioxetine is an antidepressant usually described as multimodal, or a serotonin modulator and stimulator. It blocks serotonin reuptake like an SSRI and also acts on several serotonin receptors. That mix is why it is not grouped with SSRIs or SNRIs.
Does vortioxetine really help with brain fog?
In some clinical trials, people with depression on vortioxetine did better on tests of thinking speed, partly apart from mood changes. Results vary from person to person. It is a reasonable choice to discuss when focus problems stand out.
Is Trintellix used for anxiety?
Trintellix is FDA approved for depression, not for anxiety disorders. Research on it for generalized anxiety had mixed results. If anxiety is your main concern, your prescriber can explain other options.
How do I manage the nausea?
Nausea is the most common side effect. It usually shows up in the first two weeks and fades with time. Taking it with food helps, and your prescriber may start low. Call your prescriber if nausea is severe or does not ease.
Do Trintellix side effects go away?
Nausea, the most common one, often improves over the first weeks. Sexual side effects or itching can last longer. Tell your prescriber if any side effect does not fade.
Can I take Trintellix at night?
Yes. Trintellix can be taken at any time of day, with or without food. What matters most is taking it at about the same time each day. If you notice sleep changes, ask your prescriber whether a different time makes sense.
Is vortioxetine better than an SSRI?
Not for everyone. No antidepressant is best for all people. Vortioxetine may offer pluses for focus and weight, but nausea can limit it. The right choice depends on your symptoms, history and preferences.
Why is vortioxetine sometimes costly?
Newer brand-name medicines often cost more than older generics. Your cost depends on your pharmacy plan and which versions are available to you. Ask your pharmacist about options, and tell your prescriber if cost is a problem so it does not derail treatment.
What is vortioxetine hydrobromide?
Vortioxetine hydrobromide is the exact chemical form of vortioxetine used in Trintellix tablets. The hydrobromide part is a salt that helps make the tablet stable. It is the same medicine, not a different drug.
Can vortioxetine be stopped without a taper?
Its long half-life means levels fall slowly on their own, so stopping symptoms are less common. Even so, prescribers usually step down from higher doses before stopping. Never stop without talking to your prescriber first.