Compare Ativan vs. Remeron

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

Ativan (lorazepam)

Prescription only

Remeron (mirtazapine)

Prescription only
Helps you relax.

Ativan (lorazepam) is an effective medicine for occasional or short-term anxiety. It's less likely to have drug interactions, but more likely to cause withdrawal symptoms compared to similar drugs.

5.1/ 7 average rating with 642 reviewsforAtivan
Improves mood.

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

4.5/ 7 average rating with 152 reviewsforRemeron
Upsides
  • Effective at relieving short-term anxiety.
  • Can be used together with antidepressants to manage anxiety disorders. Especially helpful for anxiety symptoms while you wait for an antidepressant to kick in.
  • Less likely to have drug interactions compared to other drugs like it, so it might be a better option if you're taking multiple medications.
  • 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
  • Can cause memory problems, drowsiness, dizziness, and confusion.
  • Can be habit-forming, so it's not typically used for long-term treatment or for people who've had problems with drug or alcohol abuse.
  • Compared to other similar medicines, Ativan (lorazepam) is more likely to cause withdrawal if you take it for a long time and then suddenly stop.
  • Most people find that Ativan (lorazepam) gets less effective over time.
  • 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
  • Liquid
  • Injection
  • Pill
  • Dissolving tablet
Price
Lowest price near you
$9.17
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Lowest price near you
$10
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Reviews
642 
71%
think this treatment is worth it
51%
think this treatment works well
15%
think this treatment is a hassle

Have you used Ativan (lorazepam)?

Leave a review
152 
45%
think this treatment is worth it
39%
think this treatment works well
26%
think this treatment is a hassle

Have you used Remeron (mirtazapine)?

Leave a review
Side effects
4possible side effects
  • Sleepiness
    16%
  • Dizziness
    7%
  • Weakness
    4%
  • Unsteadiness
    3%
See more detailed side effects
The Remeron (mirtazapine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Severe sedation with opioid use

    Taking with opioids

  • Tolerance and dependence

    Taking more than the prescribed dose

    ...and 2 more risk factors

  • Withdrawal

    Long-term use

  • Driving impairment

    Alcohol

    ...and 1 more risk factors

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

    ...and 2 more risk factors

  • Driving impairment

    Alcohol

    ...and 1 more risk factors

See more detailed risks and warnings