Gabapentin vs Mirtazapine: side-by-side comparison
Gabapentin (Gabapentinoid (alpha-2-delta ligand)) and Mirtazapine (Atypical antidepressant (NaSSA)) belong to different therapeutic classes and are rarely substitutes for each other. The comparison is useful when a single patient is weighing both options for adjacent or overlapping needs.
| Property | Gabapentin | Mirtazapine |
|---|---|---|
| Therapeutic class | Gabapentinoid (alpha-2-delta ligand) | Atypical antidepressant (NaSSA) |
| CAS | 60142-96-3 | 85650-52-8 |
| ATC | N03AX12 | N06AX11 |
| Molecular weight | 171.24 g/mol | 265.36 g/mol |
| Brands with this active ingredient | 1 | 1 |
What they share
Gabapentin and Mirtazapine share the common regulatory framework for prescription active ingredients, bioequivalence standards for generics, and pharmacist oversight. Beyond that, points in common are limited.
Key differences
Gabapentin acts by a different mechanism than Mirtazapine, with indications that barely overlap. Comparing the two is useful when a clinician has mentioned both in the same context or the patient wants to understand why one was prescribed instead of the other.
Mechanisms compared
Gabapentin: La gabapentine est un analogue structural de l'acide gamma-aminobutyrique (GABA) mais ne se lie pas aux récepteurs GABA. Mirtazapine: La mirtazapine antagonise les autorécepteurs et hétérorécepteurs α2-adrénergiques présynaptiques, ce qui augmente la libération de noradrénaline et de sérotonine.
Indications compared
Gabapentin: La gabapentine est autorisée chez l'adulte et l'enfant à partir de 3 ans en traitement adjuvant des crises épileptiques partielles, et chez l'adulte dans la névralgie post-zostérienne. Mirtazapine: La mirtazapine est autorisée dans la dépression caractérisée.
Safety profile
Gabapentin: Les effets indésirables fréquents comprennent somnolence, vertiges, ataxie, œdèmes périphériques et prise de poids. Mirtazapine: Les effets indésirables fréquents comprennent la sédation (maximale aux faibles doses de 7,5 à 15 mg, paradoxalement moindre aux doses supérieures), l'augmentation de l'appétit, la prise de poids, la sécheresse buccale e…
Questions fréquentes
Is Gabapentin better than Mirtazapine? ▾
Gabapentin and Mirtazapine are not "better or worse" — they treat different things. The sensible question is which fits your specific need.
Can Gabapentin and Mirtazapine be combined? ▾
Whether they can be combined depends on the indications and the interaction profile of each. If both are in a single prescription, the prescriber has weighed it; in self-medication they should never be combined.
Do they have the same side-effect profile? ▾
No — they belong to different classes and have distinct side-effect profiles. Each has its own prescribing information.
Products with Gabapentin
Products with Mirtazapine
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