(Bupropion) Wellbutrin Detox: Understanding Side Effects and Withdrawal Symptoms

Medical Providers:
Dr. Michael Vines, MD
Alex Spritzer, FNP, CARN-AP, PMHNP
Clinical Providers:
Natalie Foster, LPC-S, MS
Last Updated: December 29, 2025

Beginning a Wellbutrin detox is often a careful decision, not a sudden one. Wellbutrin, the brand name for bupropion, is widely prescribed and has helped many people manage depression, seasonal mood changes, and nicotine dependence. In the United States alone, millions of prescriptions are written each year, reflecting how commonly it’s used in everyday clinical care.

Still, there are times when continuing the medication no longer feels right. Side effects may outweigh benefits, or symptoms may stabilize enough to consider stopping. When that point arrives, understanding how Wellbutrin affects the body—and what can happen when it’s reduced or stopped—becomes essential for avoiding unnecessary complications.

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What is Wellbutrin Used For?

Wellbutrin is an FDA-approved antidepressant medication most commonly prescribed for major depressive disorder. It is also approved for seasonal affective disorder (SAD) and is frequently used to support smoking cessation. Some healthcare professionals prefer it when patients do not tolerate other antidepressants well.

The medication is available in multiple formulations, including immediate-release, sustained-release (bupropion SR), and extended-release versions. Dosing varies depending on diagnosis, symptom severity, and response to treatment. At higher doses, benefits may increase, but so does the risk of adverse effects.

Wellbutrin Mechanism of Action

The mechanism of action of Wellbutrin differs from many antidepressants. Instead of focusing on serotonin, it primarily affects norepinephrine and dopamine. By limiting the reuptake of these neurotransmitters, Wellbutrin increases their activity in the brain.

This helps explain why its effects can feel more energizing for some people. It also explains why the medication is categorized separately from selective serotonin reuptake inhibitors (SSRIs) and monoamine oxidase inhibitors (MAOIs). Because dopamine and norepinephrine are involved in alertness and motor activity, dose changes can influence anxiety levels and the seizure threshold.

Is Wellbutrin an SSRI?

Most people experience at least mild wellbutrin side effects, particularly during the early stages of treatment or after a dose adjustment. Not everyone reacts the same way, and many symptoms lessen with time. Others may persist and require reassessment.

Wellbutrin Side Effects

Common Side Effects of Wellbutrin

  • Dry mout
  • Dizziness
  • Sleep problems, including insomnia
  • Headaches
  • Nausea and vomiting
  • Anxiet
  • Tremors

Less Common Side Effects

These rare side effects include:

  • Changes in appetite
  • Constipation
  • Increased sweating
  • Ringing in the ears
  • Vision problems or eye discomfort

Serious Side Effects

Wellbutrin is associated with an increased risk of seizures, particularly at higher doses or in individuals with certain medical histories. Some case reports also describe worsening depressive symptoms or suicidal thoughts, especially during dose changes. Any severe or unusual reaction should be evaluated immediately by a healthcare professional.

Wellbutrin Overdose

A Wellbutrin overdose is a medical emergency. Risk increases when prescribed limits are exceeded, when the drug is misused, or when combined with other substances. Symptoms may include seizures, hallucinations, rapid heartbeat, confusion, and loss of consciousness. Severe overdoses can result in coma or death.

Does Wellbutrin cause weight gain?

Wellbutrin is generally considered weight-neutral. Some people experience weight loss, while significant weight gain is uncommon compared to other antidepressants.

The first step towards change is the hardest, but it’s also the most rewarding.

Wellbutrin withdrawal can occur after stopping the medication, especially if it is discontinued suddenly. Symptoms vary widely and depend on several factors, including dosage, duration of use, and individual metabolism.

Wellbutrin Withdrawal Symptoms

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Nausea and Vomiting

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Diarrhea

decrease in appetite

Appetite Loss

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Numbness or tingling

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Difficulty Walking

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Mood Swings

Icon Representing An Anxiety Disorder Coupled

Anxiety

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Depression

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Brain Zaps

Wellbutrin Withdrawal Timeline

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Symptoms often begin early, particularly with immediate-release forms. Seizure risk is highest during this phase. Flu-like symptoms and emotional instability may appear.

photo of a girl experiencing drowsiness a symptom of withdrawal

Fatigue, confusion, low mood, and sleep disruption are common. Physical symptoms tend to be most noticeable during this period.

Multi Racial People

Physical discomfort usually improves, though mood-related symptoms may linger as the nervous system continues to stabilize.

A supervised Wellbutrin detox helps reduce risks associated with withdrawal. Medical oversight allows for symptom monitoring, dose adjustments, and early intervention if complications develop.

Detox plans are individualized. Healthcare professionals consider current dose, formulation, medical history, and mental health status before making changes. This approach lowers the likelihood of seizures and helps manage returning depressive symptoms.

How To Wean Off Wellbutrin?

Safely tapering off Wellbutrin requires a gradual reduction plan.

General Steps for Wellbutrin Detox

  • Schedule a consultation with a healthcare provider
  • Follow a personalized tapering schedule
  • Reduce doses gradually rather than stopping abruptly
  • Monitor withdrawal symptoms closely
  • Adjust tapering speed if symptoms worsen
  • Attend regular follow-up appointments
  • Discuss alternative treatments if needed

Slower tapers are often safer, particularly for long-term users.

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Wellbutrin IR

Typically ranges from 8 to 24 hours.

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Wellbutrin SR

Usually averages 10 to 12 hours.

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Wellbutrin XL

Ranges from approximately 21 to 37 hours.

Detection of Wellbutrin

Blood tests: detectable for several days

  • Urine tests: up to 10 days
  • Hair tests: potentially months
  • Detection time varies based on dose, frequency, and metabolism.

Deciding to stop taking Wellbutrin should involve planning and professional input. Abruptly stopping antidepressant medications can increase withdrawal symptoms and emotional instability.

For individuals who need structured support, Scottsdale Detox offers medically supervised detox programs designed to manage Wellbutrin withdrawal safely. Their clinical teams provide monitoring, education, and stabilization to support recovery during and after detox.

Recovery starts here. Explore treatment options with us.