Medical Encyclopedia

Viagra Professional is an innovative medicine that is used effectively against impotence and also possesses a few properties of an enhancer. This medicine provides a powerful erection, and it can be taken 15-30 minutes before sexual intercourse. Although it has proven effective and safe, it is still a prescription medicine, and it is not intended for everyone. This medicine is not meant for women and children. Doctors do not usually recommend it for people over 65.

Viagra professional (sildenafil) is a widely known medicine applied for treatment of impotence. This medication is available in tablets intended for oral administration, and it requires a written prescription. Sildenafil possesses a strong stimulating effect, ensuring a hard and stable erection. The drug belongs to the group of phosphodiestrase V inhibitors. Phosphodiestrase V (PDE5) is a natural enzyme, which controls the penile muscle and restricts blood flow to the corpus cavernosa (penile chambers). Sildenafil blocks this enzyme and stimulates the release of cyclic guanosine monophosphate (cGMP), which loosens the muscle and improves blood flow to the muscle and the chambers and thus provides better erection. It is also noteworthy that the production of cGMP is stimulated by the release of the nitric oxide into penile tissues, which only happens during sexual excitement. Therefore, Viagra's work is only observable in a state of sexual arousal.

Viagra Professional (sildenafil) is an effective medicine against male erectile dysfunction. However, because impotence is usually a symptom of a more serious chronic disease, treatment should not entirely come down to Viagra. Not infrequently, impotence occurs due to diabetes, stress and cardiac problems. In the latter case, sildenafil must not be used without a doctor's supervision, and in most cases it is contraindicated.

Viagra Professional is available in blue tablets, and it is quite available on the pharmaceutical market. Like common Viagra, it is based on sildenafil citrate and its effect lies in masking phosphodiestrase 5 - an enzyme, which restricts blood flow to the penile chambers and therefore hampers erection. Compared to its preceding version, Viagra Professional possesses additional stimulating properties and is better absorbed by the body.

Viagra Professional is an advanced version of Viagra featuring several unique qualities and properties, which place it a step above all other ED drugs. It is more rapidly absorbed than its predecessor and it increases sensitivity of penile nerves. The medicine is based on sildenafil citrate - a powerful enzyme inhibitor, which possesses a unique selective property. Sildenafil inhibits phosphodiestrase type 5, an enzyme that keeps penile muscle tight and therefore impedes blood flow to the penile chambers. Viagra, Cialis and Levitra are referred to as PDE5 inhibitors.