Skip to content

What Are the Side Effects of Vilodon 20? A Comprehensive Guide

4 min read

In clinical studies, up to 29% of patients taking vilazodone (the active ingredient in Vilodon) experienced diarrhea, making it one of the most common side effects. Understanding what are the side effects of Vilodon 20 is crucial for managing treatment effectively and ensuring patient safety while addressing major depressive disorder.

Quick Summary

This guide provides an overview of the common, serious, and severe side effects of Vilodon 20 (vilazodone). It details gastrointestinal issues, neurological concerns, and psychiatric risks, highlighting the importance of doctor consultation.

Key Points

  • Common Side Effects: The most frequent side effects of Vilodon 20 (vilazodone) include diarrhea, nausea, insomnia, dizziness, and headache, particularly during the initial weeks of treatment.

  • Black Box Warning: Vilodon carries a boxed warning about the increased risk of suicidal thoughts and behavior in young adults (under 25), requiring close monitoring.

  • Sexual Dysfunction: While potentially less likely than with some other antidepressants, sexual side effects like decreased libido or delayed orgasm can still occur.

  • Risk of Serotonin Syndrome: Combining Vilodon with other serotonergic drugs can lead to a dangerous buildup of serotonin, causing symptoms like confusion, fever, and muscle stiffness.

  • Avoid Abrupt Discontinuation: Stopping Vilodon suddenly can trigger withdrawal symptoms, and dosage must be tapered under a doctor's supervision.

  • Take With Food: Taking Vilodon with food is recommended as it helps with absorption and can reduce the severity of gastrointestinal side effects like nausea.

  • Weight Neutrality: Vilodon is not typically associated with significant weight gain, which may be a benefit over some other antidepressants.

In This Article

What is Vilodon 20?

Vilodon 20 is a brand name for the medication vilazodone, a type of antidepressant. It belongs to a class of drugs known as serotonin partial agonist and reuptake inhibitors (SPARIs). Vilazodone works by modulating the levels of serotonin, a neurotransmitter in the brain that affects mood, energy, and emotions, to treat major depressive disorder (MDD) in adults. The "20" in Vilodon 20 refers to the dosage in milligrams.

Vilazodone is prescribed to help manage the persistent feelings of sadness, worthlessness, and loss of interest associated with depression. While it can be an effective treatment, patients should be fully aware of its potential side effects before starting therapy. Side effects can range from mild and temporary to severe and requiring immediate medical attention.

Common Side Effects of Vilodon 20

Many people experience side effects when they first begin taking Vilodon 20 or when their dosage is increased. These are often mild and may lessen over time as the body adjusts to the medication. Taking the medication with food can also help minimize some gastrointestinal discomfort.

Gastrointestinal side effects

  • Diarrhea: This is one of the most frequently reported side effects, with clinical trials showing a high incidence rate.
  • Nausea and Vomiting: Many patients report feeling nauseous, especially when starting the medication.
  • Dry Mouth: A common complaint, also known as xerostomia.
  • Stomach Pain and Gas: Some individuals experience abdominal discomfort, including flatulence.

Neurological and sleep-related side effects

  • Insomnia: Difficulty falling or staying asleep is a common side effect.
  • Dizziness and Drowsiness: Vilodon can cause sleepiness and affect alertness, so caution is advised when driving or operating machinery.
  • Headache: Mild to moderate headaches can occur.
  • Abnormal Dreams: Some patients report unusual or vivid dreams.

Other common side effects

  • Decreased Libido and Sexual Dysfunction: Vilodon can cause a lower sex drive, difficulty achieving orgasm, or erectile dysfunction. While potentially less common than with traditional SSRIs, it can still occur.
  • Increased Appetite: Some individuals experience a change in appetite, which can lead to weight gain.

Serious and Severe Side Effects

Though less frequent, some side effects are serious and require immediate medical attention. It is critical for patients and their caregivers to monitor for these symptoms.

Boxed warning: Suicidal thoughts and behaviors

All antidepressants, including vilazodone, carry a boxed warning from the FDA concerning an increased risk of suicidal thoughts and behaviors in young adults (under 25) during the initial stages of treatment. Patients should be closely monitored for any changes in mood or behavior, clinical worsening of depression, or emergence of suicidal ideation.

Serotonin syndrome

This potentially life-threatening condition can occur when serotonin levels become too high, often when vilazodone is combined with other serotonergic drugs. Symptoms include:

  • Agitation and restlessness
  • Hallucinations
  • Rapid heartbeat and high blood pressure
  • Fever and sweating
  • Muscle stiffness or twitching
  • Nausea, vomiting, and diarrhea

Abnormal bleeding

Vilazodone can increase the risk of bleeding or bruising, particularly when taken with other medications that affect coagulation, such as aspirin, NSAIDs (like ibuprofen), or warfarin. Severe cases, including gastrointestinal bleeding, can be life-threatening.

Other serious risks

  • Activation of Mania or Hypomania: The medication can trigger a manic episode in patients with undiagnosed bipolar disorder.
  • Hyponatremia (Low Blood Sodium): Symptoms include headache, confusion, weakness, and unsteadiness. This is more common in elderly patients and those taking diuretics.
  • Seizures: Use with caution in patients with a history of seizures.
  • Angle-Closure Glaucoma: Vilazodone can cause pupil dilation, potentially triggering an acute angle-closure glaucoma attack in susceptible individuals. Symptoms include eye pain, blurred vision, and halos around lights.

Vilodon 20 vs. Other Antidepressants: Side Effect Comparison

Side Effect Vilodon 20 (Vilazodone) SSRIs (Typical) Notes
Sexual Dysfunction Less likely, but can still occur. Often a prominent side effect, leading to discontinuation for some patients. Vilazodone's dual mechanism may mitigate some sexual side effects compared to traditional SSRIs.
Weight Gain Not a common side effect in clinical trials, though appetite increase may occur. Potential for weight gain is more frequently reported with many SSRIs. Vilazodone may be a suitable option for those concerned about weight gain.
Gastrointestinal High incidence of diarrhea and nausea, especially during the initial phase. Nausea is common, but may be less severe or frequent than with vilazodone. Vilodon's side effect profile is heavily weighted towards digestive issues at the start of treatment.
Insomnia A common side effect. Can be a common side effect in some SSRIs. Side effect profile is similar to other antidepressants in this regard.

Discontinuation Syndrome

Stopping Vilodon 20 abruptly can cause discontinuation syndrome, which is a form of withdrawal. Symptoms may include:

  • Dizziness and nausea
  • Headache and fatigue
  • Irritability and agitation
  • Paresthesia (pins and needles sensation)
  • Insomnia and vivid dreams

Patients must work with their doctor to gradually taper the dose to minimize these effects. Never stop taking the medication suddenly without consulting a healthcare professional.

Conclusion

Vilodon 20 (vilazodone) is an effective antidepressant for treating major depressive disorder, but its use comes with a range of potential side effects. The most common issues are gastrointestinal, such as diarrhea and nausea, especially at the beginning of treatment. More serious risks, including the potential for suicidal thoughts in young adults and serotonin syndrome, require careful monitoring.

While Vilodon may offer some advantages over traditional SSRIs in terms of sexual side effects and weight gain for some patients, the high incidence of initial gastrointestinal discomfort is a significant factor to consider. Patients should have an open and honest conversation with their doctor about managing side effects, particularly if they are persistent or severe. Never adjust or stop your dosage without medical supervision due to the risk of withdrawal symptoms. By understanding these risks, patients can make informed decisions and better manage their treatment journey. For more detailed information on vilazodone, you can visit the National Alliance on Mental Illness website.

Frequently Asked Questions

For most people, the common side effects of Vilodon 20, such as nausea and diarrhea, are mild and temporary. They typically subside within the first couple of weeks as your body adjusts to the medication. If side effects persist or worsen, you should consult your doctor.

Vilodon 20 is not typically associated with significant weight gain. Clinical studies show that it is less likely to cause weight gain compared to many other antidepressants, although some people may experience an increased appetite.

Yes, Vilodon 20 can cause sexual side effects, including decreased sex drive, erectile dysfunction, and problems with orgasm. However, some research suggests it may cause less sexual dysfunction than certain other antidepressants.

Taking Vilodon 20 with food is important because it significantly improves the body's absorption of the medication, ensuring it works as intended. It may also help reduce gastrointestinal side effects like nausea.

No, you should never stop taking Vilodon 20 abruptly. Doing so can cause withdrawal symptoms known as discontinuation syndrome, which include dizziness, nausea, headaches, and irritability. Your doctor will provide a plan for a gradual dose reduction.

Yes, Vilodon, like other antidepressants, carries a boxed warning for an increased risk of suicidal thoughts and behavior, particularly in adolescents and young adults. Close monitoring by a healthcare professional is necessary, especially at the start of treatment or with dosage changes.

Serotonin syndrome is a serious condition caused by excess serotonin in the brain. It can occur if Vilodon is taken with other medications that increase serotonin levels. Symptoms include confusion, agitation, high fever, and a fast heartbeat. It is a medical emergency.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8

Medical Disclaimer

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