Viagra Professional vs Brand Viagra: side-by-side comparison
Viagra Professional and Brand Viagra share the same active ingredient — Sildenafil Citrate — which makes them direct alternatives. The practical differences are brand, manufacturer (Pfizer vs Pfizer), available strengths and price. This comparison summarises what is the same, what differs, and when each is typically preferred.
| Property | Viagra Professional | Brand Viagra |
|---|---|---|
| Active ingredient | Sildenafil Citrate | Sildenafil Citrate |
| Manufacturer | Pfizer | Pfizer |
| Class | Erectile Dysfunction (ED) | Erectile Dysfunction (ED) |
| Strengths | 100mg | 100mg |
| Forms | sublingual tablet | tablet |
What's the same
Both medications contain Sildenafil Citrate. Clinical efficacy is comparable at equivalent doses, and the choice usually comes down to brand, price and availability.
Key differences
Although both contain Sildenafil Citrate, they differ in brand (Viagra Professional vs Brand Viagra), manufacturer (Pfizer vs Pfizer), excipients, tablet appearance, available strengths (100mg vs 100mg) and price.
Mechanism and action
Viagra Professional: Sildenafil citrate inhibits PDE5, allowing the cyclic GMP produced during sexual arousal to accumulate in penile tissue, which relaxes the smooth muscle of the penile arteries and increases blood inflow. 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 Viagra Professional is preferred
Viagra Professional is intended for adult men with erectile dysfunction.
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 Viagra Professional or Brand Viagra better? ▾
Neither is universally better — they share the same active ingredient Sildenafil Citrate and are clinically equivalent at comparable doses. The choice usually comes down to brand, available strength, supply and cost.
Can I switch from Viagra Professional to Brand Viagra? ▾
Switching between Viagra Professional and Brand Viagra is usually straightforward as both share Sildenafil Citrate. Equivalent dose and schedule are confirmed by the prescriber or pharmacist.
Do Viagra Professional and Brand Viagra have the same side effects? ▾
Generally yes. Sharing Sildenafil Citrate, the side-effect profile is comparable. Minor differences can come from excipients and formulation.
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The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.