Famotidine vs Dutasteride: side-by-side comparison
Famotidine (H2-receptor antagonist) and Dutasteride (Dual 5α-reductase inhibitor (type 1 and type 2)) 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 | Famotidine | Dutasteride |
|---|---|---|
| Therapeutic class | H2-receptor antagonist | Dual 5α-reductase inhibitor (type 1 and type 2) |
| CAS | 76824-35-6 | 164656-23-9 |
| ATC | A02BA03 | G04CB02 |
| Molecular weight | 337.45 g/mol | 528.53 g/mol |
| Brands with this active ingredient | 1 | 1 |
What they share
Famotidine and Dutasteride 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
Famotidine acts by a different mechanism than Dutasteride, 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
Famotidine: Famotidin blockiert reversibel und kompetitiv Histamin-H2-Rezeptoren an den Belegzellen des Magens und reduziert sowohl die basale als auch die stimulierte Magensäuresekretion. Dutasteride: Dutasterid hemmt irreversibel beide Isoenzyme der 5α-Reduktase, des Enzyms, das Testosteron zu Dihydrotestosteron (DHT) umwandelt.
Indications compared
Famotidine: Famotidin ist bei Erwachsenen und Kindern zur Kurzzeitbehandlung des aktiven Duodenal- und Magenulkus, zur Erhaltungstherapie des Duodenalulkus, bei gastroösophagealer Refluxkrankheit, beim Zollinger-Ellison-Syndrom und… Dutasteride: Dutasterid ist zugelassen bei symptomatischer benigner Prostatahyperplasie, allein oder in Kombination mit Tamsulosin (Combodart/Jalyn) zur stärkeren Symptomlinderung.
Safety profile
Famotidine: Famotidin wird im Allgemeinen gut vertragen. Dutasteride: Häufige Nebenwirkungen sind sexuelle Funktionsstörungen (verminderte Libido, erektile Dysfunktion, Ejakulationsstörungen), Gynäkomastie und Brustspannen.
Häufig gestellte Fragen
Is Famotidine better than Dutasteride? ▾
Famotidine and Dutasteride are not "better or worse" — they treat different things. The sensible question is which fits your specific need.
Can Famotidine and Dutasteride 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 Famotidine
Products with Dutasteride
Die Informationen auf dieser Website dienen ausschließlich zu Referenz- und Bildungszwecken. Sie ersetzen nicht die Beratung durch qualifiziertes medizinisches Fachpersonal.