Erectile dysfunction (ED) affects men Cialis internationally, 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 comprehensive guide will break down the differences between Viagra vs. Cialis to assist you in selecting the right one.
What is Viagra?
Viagra, also known by its scientific name sildenafil citrate, was the first government-sanctioned oral medication for ED. Developed by copyright, it quickly gained popularity and remains one of the frequently prescribed ED remedies.
How Does Viagra Work?
Viagra falls under a group of drugs called PDE5 inhibitors. It operates 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:
Starts working in 30–60 minutes
Effectiveness lasts 4–6 hours
Available in 25mg, 50mg, and 100mg
Optimal when taken on an empty stomach
What is Cialis?
Cialis, or tadalafil, is another highly popular PDE5 inhibitor for ED. Produced by Eli Lilly, it is frequently called the "weekend pill" due to its long-lasting effects.
How Does Cialis Work?
Similar to Viagra, Cialis enhances blood flow to the penis, allowing an erection when engaged in intimacy. However, it has a notably longer half-life than Viagra, making it a preferred choice for those looking for spontaneity.
Key Features of Cialis:
Onset Time: 15–45 minutes after ingestion
ED Treatment Lasts up to 36 hours
Dosage Options: 2.5mg, 5mg, 10mg, 20mg
Can be taken regardless of meals
Viagra vs. Cialis: Key Differences
1. Speed of Action
Works in about 30–60 minutes
Cialis: Works faster, within 15–45 minutes
2. Duration of Effect
Viagra: Lasts 4–6 hours
Stays effective for 36 hours
3. Dosage Options
Strengths include 25mg, 50mg, 100mg
Available in 2.5mg, 5mg, 10mg, 20mg
4. Food & Alcohol Interaction
Works best without food
No significant food interaction
5. Side Effects
Viagra: Headache, flushing, nasal congestion, dizziness, upset stomach
Cialis: Headache, back pain, muscle aches, indigestion, stuffy nose
6. Cost Comparison
Viagra: Generally cheaper with widespread availability of generic sildenafil
Cialis: More expensive, especially for the daily-use variant
7. Which is More Effective?
Results suggest both work comparably well
Longer half-life means less frequent dosing
Final Verdict: Viagra or Cialis – Which One Wins?
The best choice relies on one's preferences.
Viagra is ideal for those wanting a quick-acting solution.
Cialis is the choice for those needing longer-lasting effects.
Regardless of your selection, consulting a doctor is important before taking any ED medication.