Erectile dysfunction (ED) affects men Viagra across the globe, leading to the formulation of several medications. Among the best-selling are Viagra (sildenafil) and Cialis (tadalafil). While both operate to combat ED, they are distinct in start time, longevity, potential drawbacks, and comparative effectiveness. If you're considering which medication is most suitable for you, this in-depth guide will break down the differences between Viagra vs. Cialis to assist you in choosing wisely.
What is Viagra?
Viagra, also known by its generic name sildenafil citrate, was the first government-sanctioned oral medication for ED. Introduced by copyright, it quickly gained notoriety and remains one of the frequently prescribed ED treatments.
How Does Viagra Work?
Viagra falls under a group of drugs called PDE5 inhibitors. It functions by relaxing blood vessels and increasing blood flow to the penis, helping an erection. However, physical arousal is still required for Viagra to be effective.
Key Features of Viagra:
Onset Time: 30–60 minutes after ingestion
Duration: 4–6 hours
Dosage Options: 25mg, 50mg, 100mg
Best Taken: On an empty stomach for best results
What is Cialis?
Cialis, or tadalafil, is another commonly prescribed PDE5 inhibitor for ED. Developed by Eli Lilly, it is often called the "weekend pill" due to its prolonged effects.
How Does Cialis Work?
Similar to Viagra, Cialis increases blood flow to the penis, enabling an erection when stimulated. However, it has a significantly longer half-life than Viagra, making it highly suitable for those desiring spontaneity.
Key Features of Cialis:
Activation period: 15–45 minutes
Viagra Duration: Up to 36 hours
Strengths: 2.5mg, 5mg, 10mg, 20mg
Food does not impact effectiveness
Viagra vs. Cialis: Key Differences
1. Speed of Action
Viagra: Takes effect in 30–60 minutes
Begins working in 15–45 minutes
2. Duration of Effect
Active for 4–6 hours
Long-lasting effects up to 36 hours
3. Dosage Options
Comes in 25mg, 50mg, 100mg
Cialis: Comes in 2.5mg, 5mg, 10mg, and 20mg
4. Food & Alcohol Interaction
Works best without food
Food does not affect absorption
5. Side Effects
Common reactions include headache, dizziness, flushing
Cialis: Headache, back pain, muscle aches, indigestion, stuffy nose
6. Cost Comparison
Viagra: Generally cheaper with widespread availability of generic sildenafil
Pricier, particularly for daily dosing
7. Which is More Effective?
Results suggest both work comparably well
Cialis requires fewer doses due to its long-lasting effects
Final Verdict: Viagra or Cialis – Which One Wins?
The best choice relies on your needs.
Viagra is suitable for those wanting a temporary solution.
Cialis is preferred for those wanting extended duration.
Regardless of your choice, consulting a doctor is important before taking any ED medication.