Caverject vs Brand Viagra: side-by-side comparison
Caverject (Alprostadil) and Brand Viagra (Sildenafil Citrate) both belong to the Erectile Dysfunction (ED) 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 | Caverject | Brand Viagra |
|---|---|---|
| Active ingredient | Alprostadil | Sildenafil Citrate |
| Manufacturer | Pfizer | Pfizer |
| Class | Erectile Dysfunction (ED) | Erectile Dysfunction (ED) |
| Strengths | 10mcg, 20mcg, 40mcg | 100mg |
| Forms | injection | tablet |
What's the same
Caverject and Brand Viagra both belong to the Erectile Dysfunction (ED) class and are used for partially overlapping indications. The active ingredients — Alprostadil vs Sildenafil Citrate — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Alprostadil vs Sildenafil Citrate), strengths (10mcg, 20mcg, 40mcg vs 100mg), forms (injection vs tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
Mechanism and action
Caverject: Alprostadil binds prostaglandin E receptors on smooth muscle of the corpus cavernosum, triggering cAMP-mediated relaxation of cavernosal smooth muscle independent of the nitric oxide pathway used by PDE5 inhibitors. Brand Viagra: The mechanism is identical to any other sildenafil-based product: PDE5 inhibition prevents breakdown of cyclic GMP in the corpus cavernosum, allowing the smooth-muscle relaxation triggered by sexual arousal to support in…
When Caverject is preferred
Caverject is approved for erectile dysfunction of vasculogenic, neurogenic, psychogenic or mixed aetiology in adult men.
When Brand Viagra is preferred
Brand Viagra is indicated in adult men for the treatment of erectile dysfunction, the same indication as the wider Viagra and authorised generic sildenafil portfolio.
Frequently asked questions
Is Caverject or Brand Viagra better? ▾
There is no single answer. Caverject and Brand Viagra both belong to the Erectile Dysfunction (ED) 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 Caverject to Brand Viagra? ▾
Switching within the Erectile Dysfunction (ED) 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 Caverject and Brand Viagra have the same side effects? ▾
They share many of the Erectile Dysfunction (ED) class side effects, with differences from mechanism and dose. Each medication's prescribing information lists specifics.
More Caverject comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.