Remeron vs. Sertraline

See how Remeron and Sertraline compare on approved uses, dosing, side effects, and cost.

Key Takeaways

  • Remeron is a sedating antidepressant taken at bedtime and approved only for depression, while sertraline is a non-sedating SSRI approved for depression plus five other conditions.

  • Remeron more often causes drowsiness, dry mouth, and appetite increase, while sertraline more often causes nausea, insomnia, diarrhea, and sexual side effects.

  • Both carry a boxed warning for increased suicidal thoughts in young people and can trigger serotonin syndrome, especially when combined with other serotonergic drugs or MAOIs.

Remeron vs. Sertraline Drug Summary

Remeron

Remeron (mirtazapine) is a tetracyclic antidepressant that boosts norepinephrine and serotonin activity through a different mechanism than SSRIs. It is FDA-approved for major depressive disorder in adults and is taken as one tablet at bedtime, starting at 15 mg and increasing up to 45 mg if needed. Its sedating and appetite-stimulating effects also make it a common off-label choice for insomnia or poor appetite.

Sertraline

Sertraline (Zoloft) is a selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder along with five anxiety-related conditions, including OCD, panic disorder, and PTSD. It is taken once daily, usually in the morning, starting at 50 mg and titrated up to a maximum of 200 mg. Most people notice full effects only after several weeks of consistent use.

Remeron vs. Sertraline Side Effects

Remeron

Most common
Somnolence (up to 54%)
Dry mouth (up to 25%)
Increased appetite (up to 17%)
Constipation (up to 13%)

Sertraline

Most common
Nausea (up to 26%)
Insomnia (up to 21%)
Diarrhea (up to 20%)
Ejaculation failure (up to 14%)

Remeron vs. Sertraline Dosage

Remeron

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 15 mg once daily At the start
Maximum dose 45 mg once daily If needed
Dose changes 2 increases As tolerated

Sertraline

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 50 mg once daily At the start
Maximum dose 200 mg once daily If needed
Dose changes 3 increases As tolerated

Remeron vs. Sertraline Indications

Remeron

Remeron is FDA-approved only for major depressive disorder in adults. Its sedating, appetite-boosting profile means doctors sometimes prescribe it off-label for insomnia, anxiety, or to help patients regain appetite and weight.

  • Major depressive disorder (FDA-approved)

  • Insomnia (off-label)

  • Anxiety disorders (off-label)

  • Appetite or weight stimulation (off-label)

  • Nausea in pregnancy (off-label)

Sertraline

Sertraline carries FDA approval for six separate conditions, making it one of the broadest-label SSRIs available. This lets one prescription cover both depression and common co-occurring anxiety disorders without needing a second medication.

  • Major depressive disorder

  • Obsessive-compulsive disorder

  • Panic disorder

  • Post-traumatic stress disorder

  • Social anxiety disorder

Remeron vs. Sertraline Pros and Cons

Remeron

Remeron's sedating, appetite-stimulating profile sets it apart from most antidepressants, making it useful when sleep or appetite loss is part of the picture. Its narrow FDA label and weight-related side effects are real trade-offs for many patients.

Pros

  • Often improves sleep quickly since it is taken at bedtime

  • Less likely to cause sexual side effects than SSRIs

  • Can help patients who need to regain appetite or weight

  • Low rates of nausea or diarrhea compared to SSRIs

Cons

  • Only FDA-approved for depression, not anxiety disorders

  • Weight gain and increased appetite are common and unwanted for some

  • Sedation can be pronounced, especially at lower doses

  • Requires monitoring for rare but serious drops in white blood cells

Sertraline

Sertraline's broad FDA approval makes it a flexible first choice when anxiety and depression overlap, backed by decades of clinical use. The trade-off is a higher chance of GI upset and sexual side effects during treatment.

Pros

  • FDA-approved for six conditions, covering depression and anxiety disorders

  • Not sedating for most people and can be taken in the morning

  • Decades of clinical use with a well-established safety record

  • Generally weight-neutral compared to Remeron

Cons

  • Sexual side effects like ejaculation failure are common

  • Nausea and diarrhea are frequent, especially when starting

  • Can cause insomnia, sometimes requiring a morning dose

  • Not useful for appetite stimulation or as a sleep aid

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