Celexa vs Effexor: side-by-side comparison
Celexa (Citalopram) and Effexor (Venlafaxine) both belong to the Antidepressiva class. They share clinical context but use different active ingredients. The choice between them depends on mechanism nuances, side-effect profile and individual response.
| Property | Celexa | Effexor |
|---|---|---|
| Active ingredient | Citalopram | Venlafaxine |
| Manufacturer | Forest Laboratories / AbbVie | Wyeth/Pfizer |
| Class | Antidepressiva | Antidepressiva |
| Strengths | 10mg, 20mg, 40mg | 37.5mg, 75mg, 150mg |
| Forms | tablet | capsule |
What's the same
Celexa and Effexor both belong to the Antidepressiva class and are used for partially overlapping indications. The active ingredients — Citalopram vs Venlafaxine — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Citalopram vs Venlafaxine), strengths (10mg, 20mg, 40mg vs 37.5mg, 75mg, 150mg), forms (tablet vs capsule), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Celexa: Citalopram hemmt selektiv den Serotonin-Reuptake-Transporter und erhöht damit die synaptische Serotoninverfügbarkeit, mit nur begrenzter Affinität zu Noradrenalin-Transportern oder anderen Rezeptoren. Effexor: Effexor hemmt die Wiederaufnahme von Serotonin und Noradrenalin an der Synapse.
When Celexa is preferred
Celexa ist zugelassen zur Behandlung der Major Depression.
When Effexor is preferred
Effexor XR ist zur Behandlung der Major Depression, der generalisierten Angststörung, der sozialen Phobie und der Panikstörung zugelassen.
Häufig gestellte Fragen
Is Celexa or Effexor better? ▾
There is no single answer. Celexa and Effexor both belong to the Antidepressiva class but differ in mechanism nuances, half-life and side-effect profile. Preference depends on the patient, the prescriber and prior response to other therapies.
Can I switch from Celexa to Effexor? ▾
Switching within the Antidepressiva class is done under supervision, typically using equivalent doses and a follow-up period to confirm response and tolerance. It is not a self-directed decision.
Do Celexa and Effexor have the same side effects? ▾
They share many of the Antidepressiva class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
More Celexa comparisons
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