Sitagliptin vs Famotidine: side-by-side comparison
Sitagliptin (DPP-4 inhibitor) and Famotidine (H2-receptor antagonist) 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 | Sitagliptin | Famotidine |
|---|---|---|
| Therapeutic class | DPP-4 inhibitor | H2-receptor antagonist |
| CAS | 486460-32-6 | 76824-35-6 |
| ATC | A10BH01 | A02BA03 |
| Molecular weight | 407.31 g/mol | 337.45 g/mol |
| Brands with this active ingredient | 1 | 1 |
What they share
Sitagliptin and Famotidine 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
Sitagliptin acts by a different mechanism than Famotidine, 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
Sitagliptin: La sitagliptine inhibe de façon réversible la DPP-4, sérine protéase responsable de la dégradation rapide du glucagon-like peptide 1 (GLP-1) et du polypeptide insulinotrope glucose-dépendant (GIP). Famotidine: La famotidine bloque de façon réversible et compétitive les récepteurs H2 de l'histamine des cellules pariétales gastriques, réduisant la sécrétion acide basale comme stimulée.
Indications compared
Sitagliptin: La sitagliptine est autorisée chez l'adulte atteint de diabète de type 2, seule ou en association à d'autres antidiabétiques, pour améliorer le contrôle glycémique. Famotidine: La famotidine est autorisée chez l'adulte et l'enfant dans le traitement de courte durée de l'ulcère duodénal et gastrique évolutif, dans le traitement d'entretien de l'ulcère duodénal, dans le reflux gastro-œsophagien…
Safety profile
Sitagliptin: La sitagliptine est généralement bien tolérée. Famotidine: La famotidine est généralement bien tolérée.
Questions fréquentes
Is Sitagliptin better than Famotidine? ▾
Sitagliptin and Famotidine are not "better or worse" — they treat different things. The sensible question is which fits your specific need.
Can Sitagliptin and Famotidine 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 Sitagliptin
Products with Famotidine
Les informations publiées sur ce site sont fournies à titre documentaire et pédagogique. Elles ne remplacent pas l'avis d'un professionnel de santé qualifié.