Sometimes, Viagra doesn\’t cause the results that are expected to happen in men. This is uncommon, but probable. There are many reasons for this, and it is necessary to know all the options before purchasing this medication. Some people don\’t believe that it can work for them, and this makes it difficult to prescribe the drug. Viagra works when the man is sexually excited. Because the medicine works to restore the chemical disbalance in the brain, it should be taken 30 minutes to an hour before sexual activity, and will look no different to an erection that has happened without the assistance of Viagra. Since the introduction of Viagra in 1993 it has an 80 percent success rate with the maximum dose. For the men who are unsuccessful with the treatment, it is essential to know that Viagra does not plainly cause an erection. There has to be a definite level of sexual stimulation before the chemical progress can begin. Besides, both partners should have an equal desire for having sex. Many people believe they need Viagra to achieve an erection without being completely aroused. Sexual closeness alone will not help Viagra to work, as the mind must desire the sex before the blood flow to the penis can be increased. If the partner doesn’t want to have sexual activity, then it is unlikely that the patient will be stimulated enough for Viagra to function. Talking over the problem with your partner, and searching for all the information together can make both lovers closer, help them understand and finally increase awareness and sexual desire for each other. Taking Viagra 30 minutes before sexual activity, and involving in acts that raise desire can produce the better outcome from the treatment. Thus, the more excited both partners are, the more possible Viagra is to work right to get and sustain an erection without the desire decreasing. Mental factors may also prevent Viagra from working sufficiently. It is a usual issue for patients suffering from erectile dysfunction to as well suffer from depression or disquietness. It is the discomfort suffered by the man that won’t allow sexual satisfaction. If the patient is uncomfortable due to the harrassment often attached to males who suffer from erectile dysfunction, then this could have opposed effects even with Viagra. Other factors such as interference, or disbelief in the drug could mean that an erection is improbable, and these reasons should be treated before the practitioner prescribes Viagra. Viagra is prescribed to help men of all ages and many levels of erectile dysfunction get and sustain an erection for several hours. It is one of the most famous erectile dysfunction medicine in the world that has a high success rate. It doesn\’t have to be a discomfort, and with the full awareness, sexual success is within your reach.