The drug Viagra developed by Pfizer International Inc., is the first taken by mouth pharmaceutical tableted tool that shows a significant and reliable efficacy in the vast majority of patients with erectile dysfunction. The active ingredient of the drug - sildenafil citrate.

The drug is available in tablets of 25, 50 and 100 mg, which contain, respectively, 25, 50 and 100 mg of sildenafil citrate.

Unlike other treatments for erectile dysfunction, which provide for injections into the penis or other medical procedures, "Viagra" is a simple, convenient and easily used drug. When using the "Viagra" You just take one pill when planning a sexual encounter.

With regard to the mechanism of action of "Viagra", it is to increase the amount of blood flowing into the penis that helps the man to call a natural erection. "Viagra" is valid only when a man feels a natural sexual arousal, and when sexual intercourse is completed, the penis naturally returns to the relaxed state. In other words, "Viagra" works only on natural mechanisms of erection and this is its undeniable novelty and secret huge popularity.

Title:

Sildenafil:

Synonyms: Viagra - the commercial name of the drug, developed by the American company Pfizer, Syagrius, Dzhenagra, potentials, etc.. - The commercial name of the drug, a significant proportion of drugs produced in India.

History of Viagra:

In the early 1990s, researchers developed the Pfizer medication from chest pain of angina pectoris. In clinical trials, the biologically active agent sildenafil did not have the expected effect on the heart. But the subjects were delighted - because of severe side effects in relation to potency. When some of them refused to pay the rest of the tablet (and one even broke into the lab, where does sildenafil to stock preparation for the future), company managers realized that ran into a gold mine. Since Viagra was born.

Information for patients:

What is Viagra?

The drug Viagra is the first pharmaceutical agent, which exhibits a significant and reliable efficacy in most patients with erectile dysfunction. Viagra helps the body's natural response to sexual stimulation.

What is the mechanism of action of Viagra?

It is to increase the amount of blood flowing into the penis that helps the man to call a natural erection. Viagra works only on natural mechanisms of erection and this is its undeniable novelty and secret huge popularity.

What is the effectiveness of Viagra?

Viagra has a fairly high efficiency. The effectiveness of Viagra to a very large extent depends on the type of erectile dysfunction from associated diseases. If vascular erectile dysfunction Viagra is quite effective, in the presence of pathological venous drainage results of Viagra is much worse.

Viagra increases sexual desire?

The action of Viagra is based only on the local increase in blood flow to the corpus cavernosum of the penis and it does not cause increased sexual desire. Viagra does not increase libido and is not an "exciting" tool.

This shows Viagra?

Viagra is indicated for use in men suffering from erectile dysfunction of various origins, including with the defeat of vessels or nerves of the penis. An exception may be only a rough fibrosis of corpus cavernosum of the penis.

How to define sexual norms?

Healthy is the one who appears and remains an erection, allowing him to engage in sexual intercourse and successfully complete them. If a person who considers himself healthy, takes Viagra and reveals improved erectile function, in fact he may well suffer some erectile dysfunction.

What is recommended to consult specialists about the drug administration?

It is recommended to consult a sex therapist or urologist. It is advisable that you also visited a cardiologist or internist to rule out heart disease. If you suffer from any chronic illness, you should contact the appropriate specialist.

How to take Viagra?

All you need to do is take one tablet Vyagry about an hour before sexual activity. After about 30-60 minutes the drug action begins and lasts for four hours. It is best to take Viagra before eating, as in this case it will act faster. The action of Viagra is that you need to take it only when you want to perform sexual intercourse. Viagra should not be taken more than once a day.

How to choose a dose of Viagra?

Viagra comes in three standard doses of 25, 50 and 100 mg. Normally, Viagra is appointed in high dose - 50 mg, and then, depending on the coming (or not occurred) the effect of the dosage is adjusted. Another approach - starting treatment with the lowest dosage, increasing it to a good therapeutic effect.

How safe is Viagra?

Clinical trials have proven the safety of Viagra. Frequency of stopping treatment because of adverse events was similar for patients treated with the drug (2.5%) or placebo (2.3%). However, we know the manifestation of some drug interactions, especially with nitrates used in the treatment of heart disease. So Viagra is contraindicated in patients receiving treatment with nitrates (nitroglycerin, izoket, kardiket, perlinganit, deponit, Efoksa, Olikard, nitrosorbid, sustak, monocinque, nitrong, monosan, etc..). Any man who takes nitrates of any kind at any time (usually taking nitrates for angina - chest pain caused by heart disease) should not take Viagra. The danger is a possible significant drop in blood pressure. At the end of November 1998 in the world officially registered 69 cases of death after taking Viagra. The cause of death in all cases were diseases of the circulatory system (heart attacks or strokes), which evolved from dead during sexual intercourse. Sexual intercourse - is a serious exercise!

This drug must be taken with caution?

First of all, it is people with severe diseases of the cardiovascular system: heart failure, angina, cerebrovascular accidents (heart pain with fizichekoy load or at rest, impaired memory and mental performance). In this case, you should consult with your doctor about the advisability of taking Viagra. Greater caution is necessary in patients who have previously occurred priapism (a pathological condition characterized by the appearance of an erection, which is not connected with erotic stimulation, and that could last for hours, causing severe pain in the penis). Patients who have a predisposition to the emergence of priapism requires medical supervision. Caution is needed when taking Viagra people who are going to manage after taking all sorts of machinery or vehicle, as Sometimes after taking the drug in humans may occur rapidly undergoing change color sensations with a predominance of blue colors.

What should be expected from chronic administration of Viagra?

There were no data for that long-term use of Viagra could lead to some serious consequences. Currently existing knowledge about the drug Viagra lets you assign for both episodic and long-term treatment of erectile dysfunction.

Determine if Viagra's ability to procreate?

Viagra has no effect on fertility. However, in cases where violations of erection impede fertility in couples of childbearing age, Viagra may be helpful.

Does Viagra on fertility?

Today is absolutely proven that the lack of effect of Viagra on fertility. It was found that Viagra has no effect on semen quality nor the quantity and activity of sperm in it.

How Viagra works for healthy people?

The presence of blood in a certain concentration of Sildenafil may to some extent, accelerate the recovery of erection after orgasm. This is the so-called refractory period, which occurs in men after each orgasm and is characterized by the inability to get an erection for a certain amount of time. Viagra can help you recover faster after orgasm for the next sexual intercourse.

How to take Viagra for older people?

The only thing you should pay special attention - a state of heart. It is a recurring pain in the heart that accompany physical activity - whether it be climbing stairs, brisk walking. If really concerned about pain in the heart during exercise, before taking Viagra, it is strongly recommended to consult a cardiologist.

How Viagra effective for women?

Viagra is designed for men and women is not recommended, for the reception.

What if Viagra is still not helped?

Options for the approach to the treatment of erectile dysfunction quite a lot. Viagra - no doubt a great drug, but it is not the only treatment options. Refer to a specialist.