sildenafilSildenafil is the means to stimulate erectile function worldwide. The drug effectively treats male erectile dysfunction and maintains sufficient for sexual intercourse penis hardness – erection. It possesses a beneficial effect on blood circulation in the pelvic area, contributing to blood vessels expansion. Sildenafil causes a result, even when such serious diseases as spinal cord injuries, prostate surgery, diabetes and other diseases affecting the sexual function are present. The wide popularity and sales statistics in pharmacies confirms high efficiency for sexual problems elimination.

A bit of history

Since 1977, the American pharmacologists were working to create a substance that can constrict and dilate blood vessels in heart, brain, and lungs. However, until 1992 scientists began testing sildenafil citrate, meaningful results were not achieved. Tests were conducted in order to create a medication for cardiovascular system diseases treatment.

Sildenafil citrate has shown unexpected ability to block certain enzymes that lead to blood vessels expansion in the pelvic area. This substance causes a persistent and prolonged erection that pleasantly surprised men involved in clinical trials. Thereafter, sildenafil citrate was examined in an absolutely different direction. As a result, in 1998, famous Viagra pill came to light. In the same year, three scientists were awarded the Nobel Prize for the creation of drug for heart and lungs diseases treatment. However, the world famous reputation for Viagra and its creators were brought by Sildenafil property to improve and prolong erection.

Product form and composition contains sildenafil in formulations of citrate.


The content of the active ingredient sildemafil can be 25 mg, 50 mg or 100 mg. Classical Viagra tablets have the rhomboid convex shape and blue color. Analogs of the drug, which are quite widely used, are produced not only in pills but also in the form of powder, capsules (100 mg) and drops. One package of sildenafil citrate can include from 1 to 12 pills. In addition to the basic substance, the preparation contains additives components such as povilon, cellulose, magnesium stearate, lactose monohydrate and some other constituent.

How Does Sildenafil Work?

Sildenafil belongs to the group of selective inhibitors of PDE5 (phosphodiesterase 5 type). The principle of its operation is based on the expansion of blood vessels in genitals and increased blood flow to them. Such men achieved erection very fast. Pills of sildenafil citrate are able to eliminate symptoms of sexual dysfunction, which are expressed in penis’s inability to maintain necessary hardness sufficient for intimate intercourse completion. It is achieved due to its ability to perform on enzymes responsible for reaching erection.

However, as already mentioned, sildenafil citrate pills themselves cannot cause erection and increase libido if there is no loving partner. If there is a natural desire for intimacy, sexual excitement increases considerably.

Indications for sildenafil use is not only erectile dysfunction but pulmonary hypertension as well. The drug dilates blood vessels in the respiratory tract and reduces the pressure on them. By taking sildenafil, respiratory failure in people with pulmonary hypertension is dramatically reduced, and shortness of breath decreases. In addition, blood pressure lowering is the proven ability of the drug. However, this effect lasts only during 5-6- hours, and after the end of the pressure returns to previous figures.

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How To Take Sildenafil Pills?

The drug Sildenafil is recommended to take an hour before sexual intercourse. Do not be afraid that this means will perform prematurely since the effect of the use appears exclusively in case of natural sexual stimulation. If there is no attraction to the partner, the erection will not take place. To choose between 25 mg, 50 mg or 100 mg, you should consult a specialist, who will prescribe the necessary concentration of the substance.

As a general rule, the initial dose of 25-50 mg is enough for carrying out sexual intercourse. Instructions for use contains information about the maximum daily dose which should not exceed 100 mg. It is not recommended to take the daily rate of 100 mg at one time. Duration of sildenafil effect is 5 hours.

The medication effect in men remains throughout the entire sexual intercourse, maintaining the natural ability to carry out sexual intercourse absolutely. In case of repeated desire intimacy, there is no necessity of additional sildenafil use for erection emergence. Pills can be used regardless of stomach fullness, but it should be borne in mind that the use of means before taking too many fatty foods increase the time after which it will work for 15-20 minutes. Viagra and its analogs are allowed to be combined with a moderate dose of alcohol.

High Tolerability

A single dose of sildenafil may be increased to 50 mg, but without specific physician’s recommendation, you should not increase dose higher than 100 mg. Elderly people should take the drug only at 25 mg at a time. The same is referred to men and women suffering from kidney and liver disorders. If poor tolerability is present, the maximum daily dose should be 100 mg and 50 mg (i.e., 2 times daily 25 mg).

Sildenafil for Women

Lately, Viagra and its analogs are increasingly used to address sexual problems not only among men but also among women. Their effectiveness is proved even for women during menopause period and after uterus removal. Sildenafil may promote the following effects:

  • increased libido;
  • sensibility increase;
  • time reduction during which excitement occurs;
  • increased vaginal moisturizing;
  • improved circulation in pelvic area;
  • increased sensitivity in erogenous zones;
  • increasing in orgasm duration;
  • eliminating frigidity;
  • increased sexual desire in elderly women;
  • increased stamina during sexual intercourse.
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The tablets have a complex impact on women, since, in addition, to enhance excitement, they stimulate the emergence of sexual desire to sexual partner. Increased blood flow to pelvic organs contributes to greater sensitivity and brightness sensation during sexual intercourse. Due to the drug, the vagina is moisturized naturally much better, so the use of sildenafil is indicated for vaginal dryness.


Before taking sildenafil you should consult a specialist because instructions for use contains a lot of contraindications, which is dangerous to ignore. There are a number of diseases against which Viagra use is prohibited. Among them are the following diseases:

  • angina pectoris;
  • liver disease in severe form;
  • aortic stenosis;
  • cardiomyopathy;
  • hypotension;
  • heart failure;
  • heart attack or stroke, prior 6 months to admission;
  • some diseases of the retina;
  • age up to 18 years;
  • individual intolerance to the drug and allergy to its components.

In addition to diseases described above, there are relative contraindications to medications intake. In these pathologies, sildenafil can be applied only after physician approval. These include:

  • leukemia;
  • abnormalities in the penile structure and its deformation;
  • sickle cell anemia;
  • myeloma;
  • low platelet content in blood;
  • diseases in which hemorrhages can occur (e.g., stomach ulcer in acute form).

To avoid side effects, contraindications should be treated with attention.


If you exceed the maximum daily dose of sildenafil (100 mg), it may cause side effects. In case of overdose the following negative symptoms may appear:

  • fever;
  • dizziness;
  • acute decline in blood pressure;
  • digestive problems;
  • nasal congestion;
  • flushed face;
  • a headache;
  • blurred vision.

The larger the dose taken the drug exceeds permitted 100 mg, the stronger the described symptoms are expressed. To eliminate the negative overdose effects symptomatic treatment is used.

Is Sildenafil Addictive?

Sildenafil impact solely on pelvic organs and blood vessels. In order to form an addiction, the drug action should affect the nervous system, particularly the brain, as it is this organ which is responsible for the appearance of physical dependence on the drug. An addiction may be caused by antidepressants, tranquilizers, and some painkillers.

These drugs are not freely available in pharmacies and online stores but not in Canadian Health and Care Mall. When buying Viagra pills and its analogs at this pharmacy, you do not need a doctor’s prescription or special medical conditions. Thus, the use of sildenafil is not addictive, which is confirmed by numerous studies. In some men, drugs that enhance erectile function may cause psychological dependence.

If Viagra pills met expectations and helped to achieve a strong erection, the desire to use them again is quite logical. Long-term use of sildenafil is able to make a man believe again in their value and strength in bed and continue these drugs application. But in some cases, representatives of the stronger sex are afraid to stop the use of drugs, because they do not believe they will be able to carry out a full sexual intercourse without it. However, this behavior is caused by psychological rather low self-esteem and complexes, and you can not call it an addiction.

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Sildenafil in Food

sildenafil in foodSildenafil production in food happens in a chemical way, that’s why it is absent in nature and food. Nevertheless synthetic product can replace natural counterparts.

To increase erectile function it is recommended to eat foods considering as aphrodisiacs. These include chocolate, olive oil, asparagus, coffee, dates, bananas, vanilla. Also, with regular use, for sexual function following foods are beneficial:

  • nuts;
  • some fruits: citrus fruits, pomegranates and figs;
  • onion and garlic;
  • greenery;
  • dandelion leaves;
  • milk and milk products;
  • lean meat;
  • fish and seafood.

The effect of these products will not be as rapid and pronounced as from the use of sildenafil citrate, but entirely eliminates side effects possibility. In addition, correct balanced diet will have a positive impact not only on the reproductive system but also on the entire body.

The discovery by scientists of the ability of sildenafil positive effect on male and female erectile function was a turning point in pharmacology and has improved the sex lives of millions of people worldwide. This drug is able to restore the quality of erection and to increase the duration of sexual intercourse, regardless of age.

Effect of sildenafil on the beautiful half of humanity was found a little later, but every year this drug is becoming more common among women. The ability to experience sexual attraction to their partner even during menopause, an extension of orgasm and increased sensations during sex – the properties of the drug, which return the joy of love life, not only for the beautiful halves but their men as well.