Compare Buspar vs. Remeron

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Buspar (Buspirone)

Prescription only

Remeron (mirtazapine)

Prescription only
Helps you relax.

Buspar (Buspirone) is effective for treating Generalized Anxiety Disorder (GAD), and less effective for short-term use.

3.4/ 5 average rating with 67 reviewsforBuspar
Improves mood.

Remeron (mirtazapine) improves your mood and helps you sleep better, but can cause more weight gain than any other antidepressant.

3.3/ 5 average rating with 152 reviewsforRemeron
Upsides
  • Buspar (Buspirone) works very well to control the symptoms of generalized anxiety syndrome (GAD).
  • Buspar (Buspirone) doesn't cause physical dependence or withdrawal symptoms.
  • Buspar (Buspirone) is only available as a generic, so the price can be pretty cheap.
  • Effective at relieving some depression symptoms.
  • Starts to work more quickly than most antidepressants.
  • Can help you fall asleep if you have trouble sleeping.
  • Can also help relieve anxiety.
  • Good option if you are underweight or frail, because it can help you gain weight.
  • Available as a generic.
Downsides
  • Buspar (Buspirone) can take as long as four weeks to become fully effective.
  • Not as effective for short-term anxiety conditions or panic disorders.
  • Most people find that it loses effectiveness over long periods of time.
  • Can cause drowsiness or dizziness when you start taking Buspar (Buspirone). Be extremely careful of activities that require mental alertness, such as driving.
  • Makes you more tired than other antidepressants.
  • More likely to cause minor weight gain (1-5 pounds) and raise cholesterol than any other antidepressant.
Used for
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
Price
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Reviews
67 reviews so far
46%
saidit'sworth it
45%
saiditworked well
22%
saidit'sa big hassle

Have you used Buspar (Buspirone)?

Leave a review
152 reviews so far
45%
saidit'sworth it
39%
saiditworked well
26%
saidit'sa big hassle

Have you used Remeron (mirtazapine)?

Leave a review
Side effects
21possible side effects
  • Dizziness
    12%
  • Any side effect
    10%
  • Drowsiness
    10%
  • Nausea
    8%
  • Headache
    6%
  • Nervousness
    5%
  • Fatigue
    4%
  • Central nervous system disturbances
    3%
  • Insomnia
    3%
  • Lightheadedness
    3%
  • Dry Mouth
    3%
  • Decreased Concentration
    2%
  • Excitement
    2%
  • Anger/Hostility
    2%
  • Confusion
    2%
  • Depression
    2%
  • Blurred Vision
    2%
  • Abdominal/Gastric Distress
    2%
  • Diarrhea
    2%
  • Numbness
    2%
  • Weakness
    2%
See more detailed side effects
The Remeron (mirtazapine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Elevated blood pressure
    • Taking with MAOIs
    • Taking with Zyvox or methylene blue
  • Withdrawal reactions
    • Taking with or converting from benzodiazepine medicines
  • Abnormal and involuntary muscle movements
    • Duration of treatment
See more detailed risks and warnings
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • Serotonin syndrome
    • Using other medications that affect serotonin
  • Heart problems
    • History of heart problems
    • History of liver problems
    • Higher dose
  • Driving impairment
    • Alcohol
    • Taking other medicines that make you less alert
  • Weight gain
  • Blood disorders
See more detailed risks and warnings