Compare Celexa vs. Remeron

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

Celexa (citalopram)

Prescription only

Remeron (mirtazapine)

Prescription only
Improves mood.

Celexa (citalopram) is good for treating depression and anxiety. Side effects are less likely to happen compared to other antidepressants; however, it is not the best choice for people with heart or liver problems.

3.7/ 5 average rating with 520 reviewsforCelexa
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
  • Effectively relieves depression symptoms.
  • This medicine is not as drowsy as other antidepressants.
  • Available as a generic, which is cheaper.
  • 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 sexual side effects like decreased sex drive, difficulties with orgasm or ejaculation, and minor weight gain (1 to 5 pounds).
  • Celexa (citalopram) may not be a good option if you have heart or liver problems.
  • Like most antidepressants, Celexa (citalopram) can increase risk of suicidal thoughts and behavior in people younger than 24 years.
  • 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
  • Pill
  • Dissolving tablet
Price
Want to save even more money?
Sign up now for a 30-day trial and save up to 95% at CVS, Kroger, Albertsons, and other pharmacies.
Reviews
520 reviews so far
61%
saidit'sworth it
51%
saiditworked well
16%
saidit'sa big hassle

Have you used Celexa (citalopram)?

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
25possible side effects
  • Nausea
    21%
  • Dry mouth
    20%
  • Drowsiness
    18%
  • Difficulty sleeping
    15%
  • Increased sweating
    11%
  • Tremor
    8%
  • Diarrhea
    8%
  • Abnormal ejaculation
    6%
  • Indigestion
    5%
  • Fatigue
    5%
  • Upper airway infection
    5%
  • Stuffy nose
    5%
  • Vomiting
    4%
  • Anxiety
    4%
  • Anorexia
    4%
  • Abdominal pain
    3%
  • Agitation
    3%
  • Menstrual cramps
    3%
  • Sinus infection
    3%
  • Erection difficulties
    3%
  • Fever
    2%
  • Joint pain
    2%
  • Muscle pain
    2%
  • Decreased sex drive
    2%
  • Yawning
    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
  • Suicidal thoughts or behavior
    • Age 24 years or younger
  • Serotonin syndrome
    • Taking tricyclic antidepressants, lithium, tramadol, fentanyl, amphetamines, certain headache medications (triptans), St. John's Wort
  • Bipolar disorder
    • History of bipolar disorder
    • At risk for bipolar disorder
  • Withdrawal
    • Stopping Celexa (citalopram) abruptly
  • Lower maximum dose in some people
    • Higher dose
    • History of heart problems
    • History of liver problems
    • 60 years or older
  • Increased bleeding
    • Taking other blood-thinning drugs (including aspirin, NSAIDs such as Advil, warfarin)
  • Sexual side effects
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