Sildenafil vs Viagra: Is the Generic Form as Effective as the Branded?

Written by: Jack Health Team
Reviewed by: Sarah Bento-De Sousa PharmD. RPh

Viagra: it’s a name everyone knows. But what about Sildenafil? Many men are confused about the difference between these two ED medications. Are they the same? Is one better than the other?

This article clears up the confusion, comprehensively comparing Sildenafil and Viagra to help you make informed decisions about your health and your wallet.

While Viagra enjoys widespread recognition, many are unaware of its relationship to Sildenafil. We will discuss the nuances of these two medications, exploring their similarities and differences, and ultimately, which might be the right choice for you.

What is Sildenafil?

Sildenafil is a medication used to treat erectile dysfunction (ED) by increasing blood flow to the penis. It works as a PDE5 inhibitor, relaxing blood vessels to improve circulation. 

Originally developed for hypertension, its ED benefits were discovered later. Approved by the FDA and Health Canada, Sildenafil is safe and effective. 

If you’re curious about how long sildenafil remains effective, you might want to learn more about

sildenafil expiration. Understanding the lifespan of the medication can help you plan accordingly.

What is Viagra?

Viagra is the branded version of Sildenafil manufactured by Pfizer. It became widely known due to extensive marketing and its long-standing market presence. 

While Viagra is synonymous with erectile dysfunction (ED) treatment, it contains the same active ingredient as Sildenafil. The main differences are branding, marketing, and cost.

Key Differences between Sildenafil vs Viagra

The main difference between Sildenafil and Viagra is branding and cost. They share the same active ingredient and provide identical clinical effects, but some distinctions exist:

  • Active Ingredient: Both contain Sildenafil citrate, making them chemically identical.
  • Performance: Studies show no significant difference in effectiveness. Perceived variations may stem from inactive ingredients or psychological factors related to branding.
  • Dosage Forms: Available in 25 mg, 50 mg, and 100 mg, though availability may vary by manufacturer and region.
  • Duration of Action: Both last about 4-5 hours, with individual experiences varying slightly.

How Does Sildenafil Work Compared to Viagra?

Sildenafil and Viagra work identically because they contain the same active ingredient, Sildenafil citrate. The mechanism of action is the same, meaning both drugs function in the body without differences in effectiveness.

Are Sildenafil and Viagra Equally Effective?

Scientific evidence confirms that generic Sildenafil is just as effective as Viagra. Both medications contain the identical active ingredient, Sildenafil citrate, which ensures the same therapeutic effect.

Here’s the evidence:

  • Identical Active Ingredient: Both drugs use Sildenafil citrate, meaning they function similarly.
  • Bioequivalence Studies: Generic manufacturers must prove that their drug is absorbed and acts identically to Viagra for regulatory approval.
  • Clinical Trials: Studies consistently show no significant difference in effectiveness between the two medications.
  • Real-World Experience: Millions of men switching to generic Sildenafil report no change in results.

 

Researchers control for the placebo effect by using double-blind studies where neither doctors nor patients know which drug is being administered. This ensures the measured effects are purely from the medication.

Cost Comparison in Canada: Sildenafil vs Viagra

Sildenafil is significantly more affordable than Viagra in Canada. Prices vary, but generic Sildenafil consistently costs less.

Why Sildenafil is Less Expensive:

  • Research and Development: Pfizer invested heavily in Viagra’s development, while generic manufacturers do not bear these costs.
  • Marketing and Branding: Viagra’s price includes costs from extensive advertising and brand recognition.
  • Competition: After Viagra’s patent expired, competition among manufacturers drove prices down.
  • Manufacturing & Distribution: Variations in production and supply chains may slightly impact pricing.

 

Do I Need Prescriptions when Obtaining Viagra or Sildenafil?

Yes, both Viagra and Sildenafil require a prescription in Canada. A licensed Canadian doctor or authorized healthcare provider must issue a valid prescription before purchasing either medication.

Prescription Requirements in Canada

  • A prescription is required for both physical and online pharmacies.
  • This legal requirement ensures patient safety and proper use.

 

Online Pharmacy Regulations

  • Online pharmacies must be licensed by Health Canada.
  • Verify legitimacy with the Verified Internet Pharmacy Practice Sites (VIPPS) seal or Canadian International Pharmacy Association (CIPA) accreditation.
  • Purchasing from unlicensed or international sources is illegal and risky.

 

Where Can I Buy Sildenafil or Viagra in Canada?

Both medications are available at licensed physical and online pharmacies with a valid prescription.

  • Physical Pharmacies: Available at major chain and independent pharmacies across Canada.
  • Licensed Online Pharmacies: Offer home delivery but must be accredited by VIPPS or CIPA to ensure safety.
  • Telemedicine Services: Connects patients with doctors remotely for consultations and prescriptions.
Does Insurance in Canada Cover Sildenafil or Viagra?

Insurance coverage for erectile dysfunction (ED) medications varies by provider and plan. These can be:

  • Varying Coverage: Some private plans cover ED drugs, but provincial healthcare generally does not.
  • Generic vs. Brand Coverage: Insurance is more likely to cover Sildenafil over Viagra due to cost-effectiveness.
  • Coverage Limits: Some plans may restrict the number of pills covered per month.

 

Sildenafil vs Viagra: Which Treatment is Right for You?

Choosing between Sildenafil and Viagra depends on several factors.

  • Cost: Sildenafil is significantly cheaper than Viagra.
  • Personal Preference: Some prefer brand-name Viagra for familiarity, while others choose generic Sildenafil for affordability.
  • Availability: Sildenafil is widely available and more likely to be covered by insurance.
  • Doctor’s Recommendation: Your doctor will consider your medical history and needs before prescribing the best option.

 

Ready to discuss your ED treatment options and get a prescription for Viagra or Sildenafil? If you want to learn more about the generic option, visit our Sildenafil product page for more information. We also offer the brand name medication; you can find details on our Viagra product page.

Key Takeaways

  • Effectiveness: Sildenafil and Viagra are equally effective as they contain the same active ingredient, Sildenafil citrate.
  • Cost: Sildenafil is the more affordable option.
  • Safety: Both medications meet the same safety and quality standards.

 

Frequently Asked Questions

Is Sildenafil as Safe as Viagra?

Yes. Both drugs contain Sildenafil citrate and meet the same safety standards set by Health Canada. Generic manufacturers must prove bioequivalence to Viagra, ensuring identical effectiveness and safety.

Is Sildenafil Stronger than Viagra?

No, both medications have the same potency at equivalent doses. Any perceived difference is likely due to branding or minor inactive ingredient variations.

Can You Switch from Viagra to Sildenafil?

Yes. Since both contain the same active ingredient, switching is safe. Clinical studies confirm their bioequivalence, meaning they work the same way in the body.

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