What is the difference between Viagra, Cialis and Levitra?
Cialis, Levitra and Viagra work by a similar mechanism to cause erection. There are subtle differences in how long the drug works and how quickly it works. Levitra works a little longer than Viagra. They both take effect in about 30 minutes. With Levitra, the effects last for about 5 hours. With Viagra, the effects last approximately 4 hours. Also, if Viagra doesn.t work for You, Levitra may help.Cialis works a bit faster (within about 15 minutes), and the effects last much longer – up to 36 hours in some cases. That is why it is also known as week-end pill.