Viagra should not be taken more often than once a day before sexual intercourse. Taking it more often may cause overdose. You should never change your dose of Viagra on your own. Only your doctor may tell the proper dose for you. read full answer »
Presently it is known that Viagra has not been tested or proven for women. Some doctors risked to prescribe this medicine to their female patients, but large-scale researches are still to be carried out. One thing is clear – Viagra does not increase sexual attraction neither in men nor in women. read full answer »
Brand Viagra is made by a “Pfizer”. But presently more and more generic versions of Viagra have appeared on the market, which differ from the brand Viagra read full answer »
All these medications are PDE-5 inhibitors and generally work the same way. The best tested of them is Viagra since it was created earlier than any Levitra and Cialis. Levitra and Cialis are relatively new medications. The difference consists in the activation time of the drugs, the duration of the effect and sensitiveness to food intake. read full answer »
Viagra should not be mixed with other medications used for the treatment of impotence and drugs containing nitrates. Using it in combination with these medications may cause serious problems with your health and even result in life threatening condition. read full answer »
Viagra is intended for treating and prevention of erectile dysfunction. It improves erection allowing to keep it long enough. It may last from 4 to 5 hours. The drug activates in case of sexual stimulation only. Viagra works naturally. The drug alone can’t cause erection. read full answer »
Generic Viagra means that it is made by a different company, not the original license owner (Pfizer). However it is exactly the same as brand Viagra, since it has the same ingredients. The only difference may consist in the shape, color or the name of the medicine. read full answer »