Viagra Professional vs Tadalafil: side-by-side comparison
Viagra Professional (Sildenafil Citrate) and Tadalafil (Tadalafil) 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 | Viagra Professional | Tadalafil |
|---|---|---|
| Active ingredient | Sildenafil Citrate | Tadalafil |
| Manufacturer | Pfizer | Various generics |
| Class | Erectile Dysfunction (ED) | Erectile Dysfunction (ED) |
| Strengths | 100mg | 5mg, 10mg, 20mg |
| Forms | sublingual tablet | tablet |
What's the same
Viagra Professional and Tadalafil both belong to the Erectile Dysfunction (ED) class and are used for partially overlapping indications. The active ingredients — Sildenafil Citrate vs Tadalafil — share the same therapeutic approach, so many safety and management points carry across both.
Key differences
Meaningful differences are in active ingredient (Sildenafil Citrate vs Tadalafil), strengths (100mg vs 5mg, 10mg, 20mg), forms (sublingual tablet vs tablet), and the mechanism, half-life and side-effect nuances that distinguish members of the class.
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. Tadalafil: The mechanism is identical to original Cialis: tadalafil selectively inhibits PDE5 in penile and vascular smooth muscle, allowing cyclic GMP produced during sexual arousal to accumulate.
When Viagra Professional is preferred
Viagra Professional is intended for adult men with erectile dysfunction.
When Tadalafil is preferred
Generic tadalafil shares the indications of the originator: erectile dysfunction in adult men, lower urinary tract symptoms associated with benign prostatic hyperplasia, and pulmonary arterial hypertension at adapted doses.
Frequently asked questions
Is Viagra Professional or Tadalafil better? ▾
There is no single answer. Viagra Professional and Tadalafil 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 Viagra Professional to Tadalafil? ▾
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 Viagra Professional and Tadalafil 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 Viagra Professional comparisons
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.