Viagra, revolutionary medicine for the treatment of erectile dysfunction, discovered in 1989 by one of the most prestigious pharmaceutical laboratories in the world as Pfizer. Its active component is Sildenafil, and it mainly serves for the treatment of erectile dysfunction and pulmonary arterial hypertension, although some doctors prescribe the use of this medication, in minimum quantities per month to prevent cardiac risks. This drug, opened the doors to the investigation of new drugs for the obtaining of a better level of life of the adult people, especially the men, who saw their sexual activity limited with the passing of the years, being affected, their relation of couple, their manly spirit and their emotional system. This brought a better quality of life for the adults, who baptized it as the miraculous pill. The generally recommended dose is 50 mg. It is administered approximately half an hour to one hour before sexual activity. Do not take Viagra more than once a day. This drug can be taken orally, or by injection into a vein, initiating its action around twenty minutes, and lasting for two hours. It can produce common side effects such as headaches, heartburn, and flushed skin, dizziness, and diarrhea. It is likely that the elderly are more hypersensitive to the side effects of the medication. In some more complex cases, it can produce hearing loss, loss of vision and prolonged penile erections. For these reasons, it is very convenient to go to a doctor to perform the corresponding exams before starting treatment with this drug. In Australia, this medicine has come to improve the standards of life of adults in their sexual and family life. This also brings as a consequence, an improvement in the emotional system of men, since they can maintain sexual relations, up to advanced ages, improves the productivity of men, thus improving the society that surrounds them. In addition, this revolutionary discovery has opened the doors to new research, generating several other options such as Cialis, El Kamagra, and others. At the present time studies are also carried out, which are quite advanced, for the elaboration of a formula to help the female population in their sexual problems and thus balance the sexual balance. This drug, reached record in level of sales and worldwide use and is the most recognized in the world for the treatment of erectile dysfunction. Also, some doctors prescribe it to young people with these types of problems. It is worth mentioning that many young men, consume without prescription or need, only to boast of sexual power, may cause damage to their health, which is not recommended, so it is advisable to parents, talk with their children, to explain how normal sex is and give them the experience and knowledge so that they are not in danger with the intake of this drug. It should be noted that you should not drink alcohol, when you are administering this medication, as it may cause side reactions, in addition to nullifying the effect of the drug.