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Vilazodone’s an antidepressant, sold as Viibryd and FDA approved for major depression in adults. It may help you get interested in things you used to look forward to. The goal isn’t to turn you into that guy who loves Mondays. It’s to get more of your own life back.
When depression makes getting through a regular day feel like a job you didn’t apply for, getting the prescription filled isn’t the finish line. Track what you can do again and which side effects you’re putting up with. Those answers matter.[1]
What the depression trials found
In a randomized trial, 410 adults took vilazodone or placebo for eight weeks. Depression scores improved more on vilazodone, and the first check after one week already showed a difference.
That doesn’t mean you’ll feel better in seven days. A study average isn’t a delivery date. And a placebo comparison doesn’t tell you vilazodone works faster than another antidepressant.[2]
A later ten week trial analyzed 1,133 adults across vilazodone, citalopram and placebo groups. Both medicines improved depression scores more than placebo. Neither had a statistically significant advantage on a separate measure of sustained response.[3]
These trials show vilazodone can help with depression. They don’t tell you which antidepressant you’ll do best on or how you’ll feel a year later.
Vilazodone slows how quickly nerve cells take serotonin back up and partly activates a receptor called 5HT1A. We don’t know what that second action adds to the antidepressant effect. It doesn’t establish faster relief or fewer sexual problems.[1]
Your sex life still gets a vote
Depression can mess with sex on its own. In the larger depression trial, sexual function improved across groups, and the differences between treatments weren’t statistically significant. That doesn’t prove vilazodone’s better for sex than citalopram.[3]
A later report looked at sexual function in the same people. It wasn’t a second independent trial, and the researchers didn’t run statistical tests to establish treatment differences. People whose depression responded generally had bigger improvements in sexual function.[4]
Desire, erections, ejaculation and orgasm can still change for the worse on vilazodone. Say what changed and when. You don’t owe a medication a five-star review while quietly writing off your sex life. Being less depressed doesn’t make a sexual problem too small to bring up with your prescriber.[1]
When anxiety comes along too
Researchers have also studied vilazodone for generalized anxiety disorder. An eight week trial analyzed 395 adults and found a small average advantage on an anxiety scale. The difference on the disability measure wasn’t statistically significant.
Unwanted effects were reported by 83 percent on vilazodone and 60 percent on placebo. The FDA hasn’t approved vilazodone for anxiety, and those results don’t make it the obvious choice for every anxious dude.[5]
Taking vilazodone with food
Take it with food, as the label says. That’s not a serving suggestion: without food, your body absorbs less and it may not work as well. If taking it with food won’t fit your routine, work that out with your prescriber before you start.[1]
Nausea, diarrhea, vomiting and trouble sleeping were common in the larger depression trial. Tell your prescriber if those side effects are getting in the way. Don’t make up a dose change, a replacement dose or a stopping plan on your own.[3]
What to tell your prescriber
Go over any history of bipolar disorder, seizures, narrow angle glaucoma, low sodium or bleeding. Tell your prescriber if you’re pregnant or breastfeeding, and give them your full list of medicines and supplements.
You can’t take vilazodone with MAOIs. Some antibiotics and supplements matter too. Ask your prescriber to check other serotonin medicines, blood thinners and drugs that change how your body breaks down vilazodone.[1]
When to get help
Report new suicidal thoughts or unusual mood changes promptly, especially early on or after a dose change. The increased risk warning particularly covers people through age twenty four, but monitoring matters at every age.
Get emergency help for fever with confusion and stiff or twitching muscles, a seizure or trouble breathing. Don’t wait for a routine visit.[1]
Eye pain or vision changes need urgent attention too. The label warns about driving impairment, alcohol and withdrawal after abrupt stopping. Make changes with your prescriber.[1]
What to track before your next visit
Give your prescriber a couple of examples of what depression has interrupted and what happened with previous treatments. Bring your medicine and supplement list and mention sex, sleep or stomach trouble.
Decide together what improvement would look like in your actual week and when you’ll check in. That might mean answering a friend’s text or getting through a workday without every task feeling enormous. Pick something that matters to you. You need more to go on than a bottle getting emptier.
Sources
- AbbVie: Viibryd prescribing information and Medication Guide. Selected professional sections, revised October 2023, and complete Medication Guide revised April 2024. Not a latest FDA review or the whole professional label.
- Rickels and colleagues, 2009: vilazodone for major depressive disorder. Complete PubMed abstract, not the full paper, funding disclosures or a comparison with another antidepressant.
- Mathews and colleagues, 2015: depression trial with citalopram and placebo. Complete PubMed abstract, not the full paper, all harms or funding disclosures.
- Clayton and colleagues, 2015: sexual function in the same depression trial. Complete PubMed abstract. Additional analyses without inferential statistics, not another independent trial or proof of comparative superiority.
- Gommoll and colleagues, 2015: vilazodone for generalized anxiety disorder. Complete PubMed abstract of an eight week trial, not the full paper or an anxiety indication approval.