Cialis vs Januvia: side-by-side comparison
Cialis (Erektile Dysfunktion (ED)) and Januvia (Behandlung der Diabetes mellitus) belong to different therapeutic classes and are rarely interchangeable. This page compares the medications' purposes, mechanisms and the situations where each is used.
| Property | Cialis | Januvia |
|---|---|---|
| Active ingredient | Tadalafil | Sitagliptin |
| Manufacturer | Eli Lilly | Merck (MSD) |
| Class | Erektile Dysfunktion (ED) | Behandlung der Diabetes mellitus |
| Strengths | 2.5mg, 5mg, 10mg, 20mg | 25mg, 50mg, 100mg |
| Forms | tablet | tablet |
What's the same
Cialis and Januvia are used in very different patients, and the points in common are limited. The main shared element is that both meet regulatory standards for efficacy and safety and benefit from pharmacist oversight.
Key differences
Cialis belongs to Erektile Dysfunktion (ED) while Januvia belongs to Behandlung der Diabetes mellitus. Indications, mechanisms and target populations differ. The comparison is most useful when a clinician has mentioned both medications and the patient wants to understand where each fits.
Mechanism and action
Cialis: Während der sexuellen Stimulation wird im Corpus cavernosum Stickstoffmonoxid freigesetzt, das ein Enzym aktiviert, welches zyklisches GMP produziert. Januvia: Sitagliptin hemmt reversibel die DPP-4, das Enzym, das GLP-1 und GIP rasch abbaut.
When Cialis is preferred
Cialis ist bei erwachsenen Männern zur Behandlung der erektilen Dysfunktion indiziert.
When Januvia is preferred
Das Arzneimittel ist bei Erwachsenen mit Diabetes mellitus Typ 2 zur Verbesserung der Blutzuckerkontrolle indiziert, allein oder in Kombination mit anderen Antidiabetika.
Häufig gestellte Fragen
Is Cialis or Januvia better? ▾
Cialis and Januvia are not interchangeable — they treat different conditions. Asking which is "better" is meaningful only when a clinician has weighed both for the same specific clinical scenario.
Can I switch from Cialis to Januvia? ▾
Switching between Cialis and Januvia is rarely an appropriate decision since they belong to different classes and treat different conditions. The real question is usually whether the diagnosis calls for one medication or the other — which the prescriber resolves.
Do Cialis and Januvia have the same side effects? ▾
No — they belong to different classes and have distinct side-effect profiles. Each medication has its own prescribing information.
More Cialis comparisons
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