Trazodone vs Zoloft
Drug Class
Serotonin Antagonist and Reuptake Inhibitor (SARI)
Selective Serotonin Reuptake Inhibitor (SSRI)
Primary Use
Depression, insomnia
Depression, anxiety disorders, OCD, PTSD
Mechanism of Action
Increases serotonin activity by blocking reuptake and antagonizing serotonin receptors
Increases serotonin levels by selectively inhibiting serotonin reuptake
Common Brand Names
Desyrel, Oleptro
Zoloft
Typical Adult Dose
50–150 mg/day (can be higher for depression)
50–200 mg/day
Onset of Action
1–2 weeks for mood effects; sedative effects within hours
2–4 weeks for full antidepressant effect
Common Side Effects
Drowsiness, dry mouth, dizziness, headache, nausea
Nausea, diarrhea, insomnia, dry mouth, sexual dysfunction
Serious Side Effects
Priapism (rare), arrhythmia, serotonin syndrome
Suicidal thoughts (esp. in young adults), serotonin syndrome
Half-life
~5–13 hours
~24–26 hours
Drug Interactions
CNS depressants, MAO inhibitors, serotonergic drugs
MAO inhibitors, NSAIDs, blood thinners, serotonergic drugs
Alcohol Interaction
Increases sedation and dizziness
May increase CNS effects, caution advised
Cost
Lower, generic available
Lower, generic available
Coupon
Frequently Asked Questions
Which is better for anxiety, Trazodone or Zoloft?
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Zoloft is generally more effective for treating anxiety disorders like GAD and OCD. Trazodone may help with anxiety but is more often used for sleep issues alongside depression.
Can I take Trazodone and Zoloft together?
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Sometimes doctors prescribe them together, but it increases the risk of serotonin syndrome. Always follow your healthcare provider's advice when combining medications.
Which medication causes more drowsiness?
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Trazodone typically causes more drowsiness and is often used at night. Zoloft may cause some tiredness initially but is generally less sedating.
How long does it take for Trazodone and Zoloft to work?
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Trazodone may improve sleep within hours, but mood changes take 1 2 weeks. Zoloft usually takes 2 4 weeks to improve depression and anxiety symptoms.
