Viagra vs Kamagra: side-by-side comparison
Viagra and Kamagra share the same active ingredient — Sildenafil Citrate — which makes them direct alternatives. The practical differences are brand, manufacturer (Pfizer vs Ajanta Pharma), available strengths and price. This comparison summarises what is the same, what differs, and when each is typically preferred.
| Property | Viagra | Kamagra |
|---|---|---|
| Active ingredient | Sildenafil Citrate | Sildenafil Citrate |
| Manufacturer | Pfizer | Ajanta Pharma |
| Class | Erectile Dysfunction (ED) | Erectile Dysfunction (ED) |
| Strengths | 25mg, 50mg, 100mg | 50mg, 100mg |
| Forms | 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 vs Kamagra), manufacturer (Pfizer vs Ajanta Pharma), excipients, tablet appearance, available strengths (25mg, 50mg, 100mg vs 50mg, 100mg) and price.
Mechanism and action
Viagra: During sexual stimulation, nitric oxide is released in the corpus cavernosum and activates an enzyme that produces cyclic GMP. Kamagra: Sildenafil citrate works by inhibiting PDE5, the enzyme responsible for breaking down cyclic GMP in penile tissue.
When Viagra is preferred
The medication is indicated in adult men for the treatment of erectile dysfunction, defined as the inability to achieve or maintain a penile erection sufficient for sexual activity.
When Kamagra is preferred
Kamagra is intended for adult men with erectile dysfunction — the persistent inability to achieve or maintain an erection sufficient for sexual activity.
Frequently asked questions
Is Viagra or Kamagra 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 to Kamagra? ▾
Switching between Viagra and Kamagra is usually straightforward as both share Sildenafil Citrate. Equivalent dose and schedule are confirmed by the prescriber or pharmacist.
Do Viagra and Kamagra 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.