Tuesday, January 26, 2010

Viagra,How does this medicament act?

How does this medicament act? What are his effects?

The sildénafil belongs to a group of medicaments called inhibitors of the phosphodiestérase of type 5. He uses in the treatment of the dysfonction érectile (the sexual impotence). He helps to get and to support a sufficient erection to take part in a sexual activity. Its action augments the blood flow inside the penis of a man sexually thrilled at the time of the catch of the medicament. He acts only following a sexual stimulation, he does not augment sexual desire.

It would be possible that your doctor suggests this medicament against an affection which does not appear in this article of information on medicaments. Besides, some forms of this medicament could not be used for all disturbances mentioned in this article. If you have not discussed it with your doctor yet, or if you have doubts about reasons for which you take this medicine, consult it. Do not cease taking this medicine without having consulted your doctor in anticipation.

Do not give this medicament to whoever, even to somebody who suffers from the same symptoms as yours. This medicament could be harmful to the persons for whom it was not prescribed.


How is it necessary to use this medicament?

The habitually recommended dose is 50 mg got from the need, nearly 1 hour before sexual activity. The medicine can however be taken from 4 am till 30 minutes before sexual activity. According to the effectiveness of the medicament and side effects, the dose can be augmented until 100 mg or diminished until 25 mg. The registered maximum dose is 100 mg and the catch of more than 1 dose a day is not recommended. The catch of the sildénafil can be made with or without food, but if it takes place in the course of meal with strong content in bold, the delay of action of the medicament is longer.

Several factors can be taken into account to determine the dose which a person needs: his weight, his state of health and the catch of other medicaments. If your doctor recommended a dose other than those pointed out here, do not change the way to take the medicine without consulting him in anticipation.

It is very important that this medicine is taken in accordance with the indications of your doctor. Do not take stronger doses than those prescribed by your doctor. Communicate with your doctor if you take a dose of sildénafil stronger than prescribed.

Throw medicaments into wastewaters (for example not in the sink or in the bowl of offices) or with the domestic garbage. Ask your chemist how free you from medicaments unused or out-of-date.



Under what forms does this medicament come?

25 mg
Every blue tablet, in the form of rhomb in the rounded off edges, engraved "PFIZER" on a face and «VGR 25» on other one, contains some citrate of sildénafil equivalent to 25 mg of sildénafil. Not curative ingredients: phosphate dibasique anhydrous calcium, croscarmellose sodique, varnishes aluminium AD and C blue n 2, hypromellose, lactose, stéarate of magnesium, microcrystalline cellulose, dioxide of titanium and triacétylglycérol.

50 mg
Every blue tablet, in the form of rhomb in the rounded off edges, engraved "PFIZER" on a face and «VGR 50» on other one, contains some citrate of sildénafil equivalent to 50 mg of sildénafil. Not curative ingredients: phosphate dibasique anhydrous calcium, croscarmellose sodique, varnishes aluminium AD and C blue n 2, hypromellose, lactose, stéarate of magnesium, microcrystalline cellulose, dioxide of titanium and triacétylglycérol.

100 mg
Every blue tablet, in the form of rhomb in the rounded off edges, engraved "PFIZER" on a face and «VGR 100» on other one, contains some citrate of sildénafil equivalent to 100 mg of sildénafil. Not curative ingredients: phosphate dibasique anhydrous calcium, croscarmellose sodique, varnishes aluminium AD and C blue n 2, hypromellose, lactose, stéarate of magnesium, microcrystalline cellulose, dioxide of titanium and triacétylglycérol.


In what cases is this medicament disadvised?

The sildénafil should not be used in circumstances below:

* an allergy in the sildénafil or in one of the ingredients of the medicament;
* the catch of a type of derivative nitré whatever form it is (oral, a sublinguale [under the language], cutaneous stamp or pulverisation). Nitrés derivatives include the nitroglycerine and the curative products related used in the relief of a thoracic pain or of the angina pectoris. They also include the nitrite of pentyle under forms popularly indicated "Poppers". The simultaneous usage of these medicaments and of the sildénafil could make fall arterial pressure shortly and lead to daze, to a blackout, to a heart attack or to a cerebral vascular accident;
* a medical opinion opposing to a sexual activity.

Nitrés derivatives enter the composition of medicaments used in the treatment of the angina pectoris (a thoracic pain). In case you would not know surely if you take nitrés derivatives, ask question to your doctor or to a chemist. Nitrés derivatives must not be taken by whoever accepting from the sildénafil because they can make fall your arterial pressure very low. Daze, blackout, heart attack or cerebral vascular accident could follow.