Viagra: Uses. Effects, Side Effects, and More

How to tell pharmaceutists who work 24 hours a day, 7 days a week, Viagra is one of the three drugs purchased at night.

How Does Viagra Work?

Let’s see how Viagra works. Its action is based on the fact that after its admission cavernous body smooth muscles relax and the blood flow increases. This happens due to the fact that enzyme phosphodiesterase 5 type is inhibited. In other words, during sexual stimulation drug exposed to dilate blood vessels located in the penis. Blood flow is enhanced, and this contributes to a normal erection.

Discovery of the drug

The effect of the drug on men was discovered by an accident. The pharmaceutical company “Pfizer” in 1992 clinically tested a new drug for heart diseases treatment – Sildenafil. Unfortunately, expected effect on heart found no approval. However, some male volunteers pay attention to the fact that drug has a side effect exactly to increase erectile function. Many men do not even want to return medications back. As an independent drug, Viagra appeared in American pharmacies since 1998.

Indications for Use

Canadian Pharmacy ViagraViagra is a drug that is indicated for erectile dysfunction treatment. However, no one yet knows exactly what this condition means. Experts often define it as a pathological condition, since it decreases the quality of erection and, consequently, lack of qualified sexual intercourses.

These disorders often occur in men over forty years. However, sometimes it happens in other age as well.

On the issue of erectile dysfunction spread studies were conducted both in various countries worldwide. It is believed that the most accurate results were achieved in Massachusetts Program for Aging Study. The survey was conducted in 1709 men aged 40-70 years. 52% of respondents in varying degrees have been identified problems with erection. This confirms that problem of functional (transient) erectile function disorders exist and spread widely. Low quality of tobacco smoking and alcoholism, as well as constant fatigue, stress and over tension, contribute to erectile function disorders.

The word “impotence” is now rarely used. It means – the complete absence of an erection. Until recently, there were no effective medicines that can cure erectile dysfunction that’s why it transforms into impotence.

Uses of the drug

Viagra is produced and released by a reliable pharmaceutical company – Pfizer. These are blue rhomboid coated tablets. On one side of tablet inscription, there is «VGR 25» «VGR 50″ or «VGR 100″ on the other – «Pfizer». The main active ingredient of the drug is sildenafil. Erection can occur only if there is sexual stimulation. Lovely woman and intimate atmosphere can help achieve sufficient erection. This drug is not recommended for intake, especially in large amounts of alcohol, since then not only the erection may disappear but also human perceptions, as in the next morning you still need to remember who you were last night. The action of sildenafil can be slowed down by nutritious food especially fatty, so that the effect may be delayed. In men older than 65 years, the drug is more slowly excreted from the body and can circulate in the blood for a long time, so its dose should be selected individually, mostly to reduction.

Contraindications

Before you decide to use Viagra pills, you should consult your doctor for advice. This remedy is a unique drug for impotence treatment. This medication is simple for use, available and, most importantly, effective enough to eliminate the erectile dysfunction symptoms. But it has a reverse side as well. In order not to harm your health, you should read what is written below. We all know one rule – before you start taking any drug, you should read the summary or the instructions for use carefully.

Absolute contraindications:

  • Viagra is contraindicated if you are permanently or periodically take drugs for the treatment of angina pectoris, which contain nitrates as well as nitric oxide donators, under which influence the hypotensive effect of nitrates is enhanced, as a result of which blood pressure can drop to the critical numbers. If you do not know what medication you are taking, you should consult a doctor to avoid serious consequences.
  • The drug is also contraindicated if you have an increased reaction to drug components – allergy in the form of skin rash, itchy skin, face and lips swelling, shortness of breath.

Viagra should be used with caution:

  • If you have an anatomical deformity of the penis.
  • If there are diseases that are accompanied by hemorrhages.
  • If recrudescence of gastric ulcer and duodenal ulcer is present.
  • If six months ago you had a heart attack or stroke.
  • If you have a severe arrhythmia.

Side Effects

As a result, drug intake such a complication may occur as rather painful erection, continuing for up to four hours that requires emergency medical treatment. According to the analysis of 1473 cases (for 1 year), after the reception of Viagra, there were side effects, the following data were obtained: 522 men died, among them, 94 people have died from cardiac arrest, 200 – from myocardial infarction. Death usually occurs in the first six hours after the drug has been taken. In addition, all dead had varying degrees of cardiovascular diseases.erectile dysfunction

However, according to traditional point of view, the cause of death is not medicine, but that sexually active people were suffering from heart disease. And then it turns complicated situation: on the one hand, a person at any time can get a heart attack because he was suffering from heart disease, and on the other, he used Canadian Viagra, which is contraindicated in principle.

Oddly enough, but if there is no proved evidence that Viagra from Canada is guilty in the death of that people. That is why the company Pfizer has not yet been lost a single court case. Hence, in conclusion, was mentioned that these people need to consult a doctor before using this drug. The instructions to the agent say that drugs intended for erectile dysfunction treatment, are not recommended for men who are sexually active.

When receiving the drug possibility for conception by reduces for 30%. This happens due to the fact that sperm loses substances necessary for conception earlier they penetrate into the egg. According to the manufacturer, the drug does not affect the reproductive function but improves it.

Viagra use by children and teenagers is strictly prohibited. In addition, it is worth remembering that this drug was designed to treat pronounced sexual disorders in men, and it is not intended to be used by healthy men. In other words, if a man is healthy, this medicine will not work at all.

Overdose

Studies have been conducted on volunteers who were asked to take up to 800 mg at one time. Adverse effects occurred more often, and their degree was severe. Antidote does not exist. If you happen to overdose, symptomatic treatment is required, which is most often performed in intensive care unit.

Dialysis, ie blood cleansing effect, in this case, does not give any results because sildenafil citrate is not excreted through urine, as solidly it is bound to plasma proteins. Negative impact on the ability to drive a car has not been identified. However, considering the fact that side effects are still possible, it is recommended to withdraw from driving a car or operating some machinery.