The history of oral pills for treating the Erectile Dysfunction or impotence in men started in 1998 with the FDA (Food and Drug Administration of the USA) approval of Viagra. The Pfizer Company with its Viagra enjoyed all the glory of monopoly on the market for 5 years till 2003 when two other drugs: Cialis and Levitra appeared.
Naturally when there are two or more analog products on the market, there is always a competition between them and customers need comparative information to choose the most effective and suitable pill for them. Below we will give the comparison of Viagra and Cialis for you to make the right decision. The comparison is based on certain fundamental criteria, such as efficiency, time before pills start working, period of working, possible side effects and price.
Both Viagra and Cialis are so called PDE-5 inhibitors substances, which help to increase the blood flow into the penis in response to sexual stimulations, thus resulting in penis erection. The average efficiency of Viagra is 82% of all patients (range 43-85% with 100 mg dose), while Cialis ensures positive results in up to 93% of patients, treated with it.
Every pill has its own period of time needed to start working in human organism. This characteristic is of special value for Erectile Dysfunction pills one should know when he will be ready for sex after taking the pill. So, Viagra is recommended to be taken in 60 minutes before sex, while Cialis starts working in 30 minutes, though these figures may vary in different people. Some patients say that Cialis starts working in 16 minutes.
What is even more important to know is for how long will Viagra and Cialis stay effective. Here the difference is much more substantial: Viagra acts for about 4 hours after taking it and Cialis works for 36 hours. That is the reason for second name of Cialis the weekend pill.
The side effects which patients may experience after taking Viagra or Cialis are practically the same: headache, flushing, indigestion, stuffy or runny nose. The only difference here is in possible visual disorder, that can appear after Viagra treatment (patient is not able to differ blue and green colors). Cialis does not cause such discoloration of vision, but may cause muscle or back pain.
Finally we wil talk on price, the men should pay for the recovering of their sexual performance. The online prices for Viagra ranges from 148$ to 183$ for 10 pills pack. The same quantity of Cialis will cost 144-189$ in the online pharmacies.
Below is the table, summing up all the above said facts. Hopefully it will help you to make the right decision.
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