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Does Trintellix Make You Sleepy or Awake? A Deep Dive

4 min read

In clinical studies, between 1% and 10% of people taking Trintellix reported insomnia as a side effect [1.7.2]. The question of does Trintellix make you sleepy or awake is complex, as its effects can vary significantly among individuals.

Quick Summary

Trintellix (vortioxetine) can cause both sleepiness (somnolence) and sleeplessness (insomnia), though insomnia is more frequently reported. Effects depend on individual response.

Key Points

  • Dual Effects: Trintellix can cause both insomnia (sleeplessness) and somnolence (drowsiness), with each affecting 1-10% of users [1.2.4, 1.7.2].

  • Insomnia is Common: Trouble sleeping, including abnormal dreams, is a frequently reported psychiatric side effect [1.2.4, 1.7.2].

  • Drowsiness is Also Possible: While not a primary side effect in all initial trials, somnolence and fatigue are recognized potential side effects [1.2.4, 1.3.5].

  • Timing Matters: Taking Trintellix in the morning may help with insomnia, while taking it at night might be better for those who experience drowsiness [1.6.1, 1.6.4].

  • Underlying Symptoms: Changes in sleep can also be a symptom of Major Depressive Disorder itself, not just a side effect of the medication [1.2.1].

  • Do Not Stop Abruptly: Suddenly stopping Trintellix can cause withdrawal symptoms, including both sleepiness and insomnia [1.3.2].

  • Comparison to SSRIs: Unlike some SSRIs that are more known for causing insomnia (like Prozac), Trintellix has a more mixed profile on sleep [1.5.2].

In This Article

Understanding Trintellix and its Purpose

Trintellix, with the generic name vortioxetine, is an antidepressant medication approved by the FDA for the treatment of Major Depressive Disorder (MDD) in adults [1.9.1, 1.9.2]. It belongs to a class of drugs known as serotonin modulators and stimulators [1.10.2]. While its exact mechanism of action is not fully understood, it is believed to work by inhibiting the reuptake of serotonin, a key neurotransmitter involved in mood regulation, and by interacting with multiple serotonin receptors in the brain [1.9.4, 1.10.1]. This multimodal action differentiates it from more traditional antidepressants like Selective Serotonin Reuptake Inhibitors (SSRIs) [1.10.1].

MDD is a condition characterized by a persistent feeling of sadness or a loss of interest in activities, which can significantly impact daily functioning. Symptoms often include changes in sleep patterns, such as sleeping too much or having trouble sleeping (insomnia) [1.2.1]. Trintellix aims to alleviate these overall symptoms of depression, and some studies suggest it may begin to offer relief within two weeks of starting treatment [1.9.2].

The Dual Effects on Sleep: Sleepy or Awake?

The central question for many patients is whether Trintellix will make them feel sleepy or more awake. The answer is not straightforward, as the medication can paradoxically lead to both sedation and insomnia.

Trintellix and Insomnia

Difficulty sleeping, or insomnia, is a documented side effect of Trintellix. In clinical data, insomnia is listed as a 'common' psychiatric side effect, occurring in 1% to 10% of patients [1.2.4, 1.7.2]. This can manifest as initial insomnia (trouble falling asleep), middle insomnia (waking up during the night), or terminal insomnia (waking up too early) [1.2.4]. Some patients also report experiencing abnormal dreams [1.7.2]. If you find that Trintellix interferes with your sleep or makes you feel restless, taking the dose in the morning may help mitigate this effect [1.6.1, 1.6.2].

Trintellix and Drowsiness (Somnolence)

Conversely, Trintellix can also cause feelings of sleepiness. Somnolence (drowsiness) and sedation are also listed as common nervous system side effects, affecting between 1% and 10% of users [1.2.4, 1.3.4]. While some sources state that drowsiness and fatigue were not reported as primary side effects in initial clinical trials [1.2.2, 1.8.1], post-marketing reports and broader data compilation acknowledge their occurrence [1.2.2, 1.3.5]. Overdoses of Trintellix have also been associated with increased somnolence [1.3.5]. If drowsiness is a problem, some patients may find it beneficial to take their daily dose at bedtime, with their doctor's approval [1.6.4].

It is crucial to note that both insomnia and excessive sleepiness can also be symptoms of MDD itself [1.2.1]. Therefore, it can sometimes be challenging to distinguish between the side effects of the medication and the symptoms of the underlying condition. Abruptly stopping Trintellix can also lead to withdrawal symptoms, which can include both insomnia and sleepiness [1.2.1, 1.3.2].

Comparison with Other Antidepressants

Understanding how Trintellix compares to other antidepressants regarding sleep can provide useful context. Its unique receptor profile may contribute to a different side effect experience for some patients [1.4.2].

Medication Class Common Sleep-Related Side Effects
Trintellix (vortioxetine) Serotonin Modulator Can cause both insomnia and somnolence (1-10% incidence for each) [1.2.4, 1.7.2].
Prozac (fluoxetine) SSRI More likely to cause difficulty sleeping (insomnia) compared to Trintellix [1.5.2].
Zoloft (sertraline) SSRI Reported to cause somnolence in about 11% of patients [1.5.1].
Lexapro (escitalopram) SSRI Common side effects include both drowsiness and insomnia [1.5.5].
Amitriptyline Tricyclic (TCA) Known to cause drowsiness [1.2.3, 1.8.1].

Managing Sleep Disturbances

If you experience sleep-related side effects from Trintellix, several strategies can help. It's essential to discuss these with your healthcare provider before making any changes.

For Insomnia:

  • Adjust Timing: Take your daily dose in the morning [1.6.1, 1.6.2].
  • Sleep Hygiene: Establish a consistent sleep schedule, even on weekends. Avoid caffeine and heavy exercise several hours before bedtime [1.6.4].
  • Consult Your Doctor: Persistent insomnia could be a sign of worsening depression, and your doctor may need to adjust your treatment plan [1.6.3].

For Drowsiness/Fatigue:

  • Adjust Timing: With your doctor's approval, try taking your dose at bedtime [1.6.4].
  • Be Cautious: Avoid driving or operating heavy machinery until you know how the medication affects you [1.6.4].
  • Physical Activity: Gentle physical activity, like a walk during the day, can help combat fatigue [1.6.4].
  • Dose Adjustment: Your doctor might consider adjusting your dose. For some patients who do not tolerate a 10mg dose, it may be decreased to 5mg [1.9.4].

Conclusion

So, does Trintellix make you sleepy or awake? The evidence shows it can do both. Insomnia and somnolence are both documented as common side effects, each affecting a similar percentage of users [1.2.4, 1.7.2]. The effect is highly individual and may depend on personal neurochemistry, the dosage, and the time of day the medication is taken. Compared to some other antidepressants, its impact on sleep architecture might be different due to its unique mechanism of action [1.4.2].

The most effective way to manage these potential side effects is through open communication with your healthcare provider. They can help you determine if the sleep changes are a side effect of the drug or a symptom of your depression and can guide you on the best strategies, such as adjusting the timing of your dose or modifying your overall treatment plan.


For more information from the manufacturer, you can visit the official Trintellix website. Always consult a healthcare professional for medical advice.

Frequently Asked Questions

Trintellix can cause both. Insomnia and somnolence (drowsiness) are both listed as common side effects, each occurring in about 1% to 10% of people who take it [1.2.4, 1.7.2].

This depends on how it affects you. If you find it causes insomnia or restlessness, taking it in the morning is recommended. If it makes you drowsy, you might prefer to take it at night. Always consult your doctor before changing when you take your medication [1.6.1, 1.6.4].

For many people, side effects like nausea tend to decrease after the first couple of weeks [1.7.1]. While not as well-documented for fatigue, it's possible it may improve as your body adjusts. If fatigue persists, speak with your doctor [1.8.5].

Yes, suddenly stopping Trintellix can cause withdrawal symptoms, which may include both insomnia and sleepiness, as well as headache, dizziness, and mood swings [1.2.1, 1.3.2].

Zoloft (sertraline) is reported to cause somnolence (sleepiness) in about 11% of patients. Trintellix can cause both somnolence and insomnia, but in a smaller percentage of patients (1-10%) [1.5.1, 1.2.4].

Abnormal dreams are a common psychiatric side effect reported by 1% to 10% of Trintellix users [1.7.2]. This can refer to dreams that are more vivid, unusual, or distressing than normal.

Yes, ingestion of Trintellix at higher than prescribed doses (40 to 75 mg) has been associated with increased rates of somnolence (sleepiness), as well as nausea, dizziness, and diarrhea [1.2.1, 1.3.5].

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.