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The pharmacological action of the drug
Buy Viagra online you can at any time on our website. The main active ingredient is sildenafil there. The drug has shown very effective in the treatment of erectile dysfunction. It belongs to the group of inhibitors.
To understand how it works the drug, you need to understand what an erection? During sexual stimulation in the cavernous body is releases nitric oxide. As a result,

the smooth muscles of the penis relax, increasing blood flow.
Clinical researches
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In medicine, clinical trials were conducted to identify the effect of this medicine. The trial was attended by volunteers. During the course of treatment they are constantly measured ECG. Use of the preparation in large doses has not changed the clinical picture of the heart. Thus, the drug does not flow and gives no adverse influence on the heart muscle.
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The drug has no negative consequences for the view. This was proven during a series of tests. Visual acuity, contrast perception remains the same.
Pharmacokinetics
Purchase Viagra online you can on our website at any time! We take care of the delivery of goods to your address. Active component of the drug is easily and quickly absorbed into the bloodstream. If you eat fatty foods, the rate of absorption of the components will be lower.
Metabolism occurs in the liver. Remains of the drug excreted in the urine and to a greater extent in the feces.
Specific clinical cases
If you want to buy cheap Viagra, consult your doctor beforehand. The drug can be taken at any age. But it is better to consult a specialist. For example, cheap Viagra is for elderly people can have an ambiguous effect. This means that the active substance may be weakly absorbed into the bloodstream, or vice versa, have a greater concentration. The elderly may experience common side effects. Therefore, make an acquire Viagra online thoughtfully and carefully.
Generic Viagra is prescribed to patients with renal insufficiency. Condition of health is not getting worse. It matters only age category of patients.
How to take the drug?
The tablets are taken only inside. The average dosage is of 50 mg. You need to take the pills once a day immediately before intercourse. If this dose is not effective for you, it can be increased to 100 mg.
It is not recommended to eat per day more than 100 mg of the drug. Exceptions are elderly patients. These are set only in a dose of 50 mg. Patients with renal insufficiency with liver cirrhosis should be observed at the doctor and have strict appointment.
Can I use the drug with other drugs? If you are taking other medicines, the dosage of Viagra online should be reduced to 25 mg. The effect of such a dosage may be insignificant, but it is not recommended to increase the dose. Need to be careful about the use of other inhibitors. Otherwise there is a risk of patient postural hypotension.
Overdose and side effects
We argue that purchase Viagra online – secure solution! But you have to take the drug exactly as prescribed, carefully study the instructions. If your daily dose will be up to 800 mg, your body’s adverse effects occur. To treat the condition symptomatically need to overdose. In this situation, you do not help hemodialysis.
Warning: this drug cannot be assigned to women!
Side effects are very weak. If taken regularly fixed dose, then there will be nothing to worry about. However, the larger the dosage, the greater the chance of side effects:
– The nervous system
In most cases the patient feels headache, dizziness
– The part of the authorities of
The sensitivity of the eyes to light
– On the part of the cardiovascular system
There patient palpitations.
Furthermore, it may be dyspepsia, rhinitis. Therefore, you need to carefully make a purchase Viagra without prescription!
Remember, excessive dose can cause an allergic reaction. Especially if your body has a sensitivity to one of the components of the drug. In overdose are often seizures. Problems may start from the cardiovascular system. This means that a patient may experience a decrease in blood pressure, tachycardia, bleeding, fainting.
Contraindications: not suitable for women and children under 18 years. Do you want to buy a cheap Viagra? You need just to connect with us and tell us about your problem! And we will help you! Welcome to our site!