Viagra
Viagra (sildenafil) is an anti-impotence agent that belongs to the class of phosphodiesterase inhibitors. Its effects are based on stimulating blood flow to the tissues of the penis and preventing the blood from escaping back into the body. The effects of Viagra are likely to last for up to 5 hours but it’s most efficient after 60 minutes from the moment you took it. With Viagra you can have sex and be able to complete sexual intercourse without being worried about the hardness of your erection. The erection will go away once you are done having sex. If your erection dose not go away for over 4 hours and appears to be very painful, make sure you report this conditions directly to your health care provider, as it can be pretty dangerous. This condition is called priapism and it can do permanent damage to the tissues of your penis. Therefore, you need an immediate medical attention to help you deal with this situation. Before you start the treatment and to make sure it is going to be efficient, you will need to report to your health care provider any health conditions you have or used to have, any drugs you are taking, as well as allergies to any medicines or products that may prevent you from safely taking Viagra. Your diet also may need to be discussed, as grapefruit juice has been reported to interfere with the effects of Viagra. You need to be aware of the possibility of certain side effects taking place while using Viagra. The mild side effects, such as upset stomach, memory problems, warmth or redness in your face or chest, back pain, stuffy nose, and headache may indicate your body is getting used to the dose prescribed and in most cases do not need to be reported to your health care provider. You can report the side effects mentioned only if they developed into something more severe and prevent you from doing your usual activities. Serious side effects are unlikely but still possible, and the following ones are reported most often: irregular heartbeat, sudden vision loss, sweating, prolonged penis erection (priapism), general ill feeling, chest pain, lightheadedness, nausea, swelling, shortness of breath, and sudden hearing loss. To rule out these side effects you will need to take Viagra just as recommended without adjusting the dose based on your own perception. Also avoid drinking alcohol as it can add to some side effects Viagra has been reported to cause and produce new ones that can be quite unpleasant.