Brand name: Viagra
Generic name: Sildenafil
Mechanism of the drug: It was calculated that more than 150 million of men have erectile dysfunction problem. More than half of these men have impotence due to medical cause. Other part has psychogenic causes. Medical causes are diabetes, neurological, circulatory or urological conditions.
Normally sexual stimulation makes production of nitric oxide in the penis. It activates guanylate cyclise, enzyme which cause production of cGMP (cyclic guanosine monophosphate). cGMP is responsible of the erection due to affecting on the amount of blood delivered and removed from penis. This process leads to more quantity of blood in penis blood vessels and as a result to an erection.
Do you need prescription? yes.
How it looks like? Viagra is film-coated, rounded, blue, diamond-shaped pill. It usually comes in 100, 50 or 25 mg tablets.
How to store it? Keep it at 59-86F (15-30C) room temperature.
To whom it is prescribed? It can be used only by men for treatment of pulmonary arterial hypertension, erectile dysfunction, organic or psychogenic causeses.
How do you should use it? It is fast absorbing pill which should be taken orally. It required between 30 to 120 minutes for producing maximum effect. If you take it with fat meal, effect would be delayed additionally for 30 to 60 minutes.
Possible interactions with other drugs: Viagra can increase the blood pressure, so nitrates will have lower effect such as nitroglycerin, isosorbide mononitrate. Nitrates are used for treating angina. So do not use Viagra and angina pills.
Do not use Viagra and other erectile dysfunction drugs such as Levitra or Cialis.
Rifampin decreases sildenafil blood levels and reduces Viagra effectiveness.
Pregnancy: Viagra do not affect on sperm motility or sperm count. So it do not have negative effects on women. If you are breast-feeding, it is not known if Viagra excreted into breast milk.
Possible side effects: about 10% of persons who taking Viagra have side effects. It is headaches, facial flushing, stomach pain, nausea, diarrhea, vision of colors. Sometimes, very rarely, dizziness or ringing in the ears. You should contact with your doctor at once.


  • Yes! I have received the order and I am extremely pleased with the service and the pills. I had previously been paying a very high price through prescriptions from my local GP. I am now able to order online without hassle and delivery has been within the stated period that you give. Many thanks!

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