Viagra, on the other hand, contains Sildenafil as its active ingredient, which also belongs to the same class of drugs called PDE5 inhibitors, used for treating ED. While Viagra and Cialis (and by extension, Vidalista) share some similarities in how they work, they also have some differences that are worth considering when comparing them for ED treatment:

1. Duration of Action:

   • Viagra: Typically lasts for about 4 to 6 hours.
   • Cialis and Vidalista (Tadalafil): Known for its longer duration of action, which can last up to 36 hours. For this reason, it is sometimes referred to as the "weekend pill."

2. Time to Onset:

   • Viagra: Usually starts working within 30 minutes to 1 hour after ingestion.
   • Cialis and Vidalista (Tadalafil): This may take effect within 30 minutes to 2 hours after ingestion.

3. Dosage:

   • Viagra and Cialis are available in various strengths, and the appropriate dosage depends on individual needs and tolerances.
   • Vidalista 20 contains 20 mg of Tadalafil. Other dosages of Vidalista may also be available.

4. Effectiveness:

   • Viagra, Cialis, and Vidalista are all generally effective in treating erectile dysfunction. However, individual responses can vary, and what works best for one person may not be as effective for another.

5. Safety and Side Effects:

   • The side effects of these medications can be similar and may include headache, dizziness, flushing, indigestion, and nasal congestion. However, specific reactions can differ among individuals.