Elavil vs Prozac: side-by-side comparison
Elavil (Amitriptyline) and Prozac (Fluoxetine) both belong to the Antidépresseurs 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 | Elavil | Prozac |
|---|---|---|
| Active ingredient | Amitriptyline | Fluoxetine |
| Manufacturer | Various generics | Eli Lilly |
| Class | Antidépresseurs | Antidépresseurs |
| Strengths | 10mg, 25mg, 50mg, 75mg, 100mg | 10mg, 20mg, 40mg |
| Forms | tablet | capsule, tablet |
What's the same
Elavil and Prozac both belong to the Antidépresseurs class and are used for partially overlapping indications. The active ingredients — Amitriptyline vs Fluoxetine — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Amitriptyline vs Fluoxetine), strengths (10mg, 25mg, 50mg, 75mg, 100mg vs 10mg, 20mg, 40mg), forms (tablet vs capsule, tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Elavil: L'amitriptyline inhibe la recapture de la sérotonine et de la noradrénaline au niveau des synapses centrales. Prozac: La fluoxétine inhibe sélectivement le transporteur de recapture de la sérotonine, augmentant sa disponibilité synaptique.
When Elavil is preferred
L'amitriptyline est autorisée dans la dépression caractérisée, mais son usage contemporain est dominé par les indications hors AMM à faible dose : douleurs neuropathiques, fibromyalgie, céphalées de tension chroniques, prévention de la migraine, syndrome de l'intestin irritable…
When Prozac is preferred
Prozac est autorisé dans la dépression caractérisée (adulte et enfant à partir de 8 ans), le trouble obsessionnel compulsif (enfant à partir de 7 ans), la boulimie nerveuse, le trouble panique et le trouble dysphorique prémenstruel.
Questions fréquentes
Is Elavil or Prozac better? ▾
There is no single answer. Elavil and Prozac both belong to the Antidépresseurs 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 Elavil to Prozac? ▾
Switching within the Antidépresseurs 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 Elavil and Prozac have the same side effects? ▾
They share many of the Antidépresseurs class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
More Elavil comparisons
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