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Viagra - a well-known aphrodisiac, which is used in disorders of sexual desire in men. The drug helps to achieve an erection and maintain it during sexual arousal. At the same time it acts symptomatically and do not cure erektsialnuyu dysfunction.
Indications & Dosage:

The drug Viagra is used for erectile dysfunction, manifest inability to achieve and maintain an erection of the penis which is necessary for making a successful sexual intercourse. Applied orally during sexual arousal,viagra order by telephone .

For adult men (over eighteen years), the recommended dose is a tablet of Viagra is 50 mg. The dose should be taken one hour before sexual activity. The drug Viagra is effective and well tolerated, so the dose can be reduced to 25 mg or increased to 100 mg. The maximum recommended dose is 100 mg. The drug Viagra can be used no more than once per day. Efficiency is increased when taking Viagra order by telephone tablets with food as compared with fasting.

For patients with mild renal insufficiency and moderate to adjust the dose required. As in patients with severe renal insufficiency, the clearance of the active substance of Viagra order tablet is reduced, the starting dose of tablets should be 25 mg.

In patients with impaired hepatic function there is a decrease in clearance of the active substance tablets (eg liver cirrhosis). Initial dose tablet in this case is 25 mg.

Elderly patients adjust the dose of Viagra pills by telephone are not necessary.

Before you start taking Viagra pills necessary to conduct a full medical examination of the patient to determine the possible causes of erectile dysfunction.

Due to the fact that sexual activity may be associated with a certain risk of the heart, before the start of any treatment of a patient with erectile dysfunction doctor needs to assess his state of the cardiovascular system. The active ingredient of cheap viagra canada free shipping tablet has a vasodilating effect which manifests itself momentary slight decrease in blood pressure. Therefore, prior to the application of Viagra pills, the doctor need to find out whether such effects have a negative effect in patients with certain diseases, especially in combination with sexual activity.

The efficacy and safety of simultaneous use of Viagra pills with other therapies for erectile dysfunction have not been studied. In this regard, the appointment of such combinations is not desirable-cheap viagra canada free shipping.

Sildenafil increases the hypotensive effect of nitrates, so it is contraindicated with concurrent use of nitrates and nitric oxide donors (such as amyl nitrite).

Drinking alcohol while taking Viagra pills undesirable.
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Studies have shown that an overdose of cheap viagra canada free shipping in patients more clearly apparent side effects. In this case, the treatment must be used symptomatically. Dialysis is not effective because the active substance is actively and rapidly bound to plasma proteins.
Viagra Side effects:

When using Viagra pills may develop side effects such as headache, tinnitus, dizziness, hypoesthesia (decreased skin sensitivity), drowsiness, blurred vision, upset color perception, feeling flares, nasal congestion, indigestion. In rare cases there may be an increase or decrease in blood pressure, the development of hypersensitivity reactions, the occurrence of epistaxis. Also-cheap viagra canada free shipping-, patients sometimes experience nausea, dry mouth, vomiting, skin rash, increased heart rate, fatigue, myalgia (muscle pain).

Patients with hypersensitivity to the components of the tablet, Viagra is contraindicated. Preparations for the treatment of erectile dysfunction (including tablets Viagra), are contraindicated for patients appointment, for whom sexual activity is not desirable (for example, in severe heart failure, unstable angina). The drug cheap viagra canada free shipping is not indicated for use by women, as well as persons under the age of eighteen years.

Also pill Viagra is contraindicated in all patients who are due to anterior ischemic neuropathy (nearterialnoy) lost sight of the optic nerve.

Moreover, Viagra pills can not be used in patients with arterial hypotension (blood pressure lower than 90/50 mm Hg. Art.), Recent myocardial infarction or stroke, severe liver dysfunction and known hereditary degenerative retinal diseases (such as retinitis pigmentosa ). Security destination Viagra pills such patients has not been studied.

Means for treatment of erectile dysfunction, including Viagra pills, you must use with extreme caution in patients with anatomical deformation of the penis (eg, cavernous fibrosis, Peyronie's disease, angulation). Also, the use of Viagra requires caution in patients with conditions that contribute to the emergence of priapism (multiple myeloma, sickle cell anemia, leukemia).
Interaction with other drugs and alcohol:

Admission erythromycin, cimetidine and ketoconazole is characterized by a decrease in clearance and subsequent increase in the content of Sildenafil in the patient's blood plasma. Viagra in conjunction with sodium nitroprusside enhances its antiplatelet effect. Also, in combination with nitrates tablets enhances their antihypertensive effect. It can even lead to death. It is also dangerous for the life of simultaneous reception of tablets with oral hypoglycemic drugs, BCCI, and beta-blockers.
The composition and properties:

Compositioncheap viagra canada free shipping:

The main active substance of Viagra is sildenafil tablets, which is presented in the form of citrate. Furthermore, in the production have been used gibrofosfat anhydrous calcium, croscarmellose sodium, magnesium steorat, titanium dioxide (E171), MCC, triacetin, hypromellose, lactose, and Aluminium lacquer indigo carmine (E132).

Form vypus:

Viagra is distributed as a film-coated tablets. The tablets are in a blister pack made of aluminum foil, which in turn is in a carton box.

Pharmachologic effect:

The physiological mechanism of erection of the allocation is NO (nitric oxide) for sexual stimulation in the cavernous body of the penis. Sildenafil significantly enhances the relaxing effect of the nitric oxide in the corpus cavernosum tissue. Thus, a tablet of Viagra increases blood flow to the penis, thereby improving erectile function decreased.

Storage conditions:

Order viagra phone store in a dry place inaccessible to children. Storage temperature should not exceed 30 ° C. Shelf life is 2 years. Do not use expired pills.

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The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete intercourse). Its use is now standard treatment for erectile dysfunction in all settings, including diabetes.[2]

People on antidepressants may experience sexual dysfunction, either as a result of their illness or as a result of their treatment. A 2003 study showed that sildenafil improved sexual function in men in this situation.[3] Following up reports from 1999,[4] the same researchers found that sildenafil improved sexual function in female patients on antidepressants as well.[5]

Pulmonary hypertension order viagra by telephone 800

As well as erectile dysfunction, sildenafil citrate is also effective in the rare disease pulmonary arterial hypertension (PAH). It relaxes the arterial wall, leading to decreased pulmonary arterial resistance and pressure. This, in turn, reduces the workload of the right ventricle of the heart and improves symptoms of right-sided heart failure. Because PDE-5 is primarily distributed within the arterial wall smooth muscle of the lungs and penis, sildenafil acts selectively in both these areas without inducing vasodilation in other areas of the body. Pfizer submitted an additional registration for sildenafil to the FDA, and sildenafil was approved for this indication in June 2005. The preparation is named Revatio, to avoid confusion with Viagra, and the 20-milligram tablets are white and round. Sildenafil joins bosentan and prostacyclin-based therapies for this condition-order viagra by telephone

Altitude sickness

Sildenafil has been shown to be useful for the prevention and treatment of high-altitude pulmonary edema associated with altitude sickness such as that suffered by mountain climbers.[7][8] While this effect has only recently been discovered, sildenafil is already becoming an accepted treatment for this condition, in particular in situations where the standard treatment of rapid descent has been delayed for some reason.


Viagra by phone

Viagra pills are blue and diamond-shaped with the word "Pfizer" engraved on one side, and "VGR xx" (where xx stands for "25", "50" or "100", the dose of that pill in milligrams) engraved on the other. It is not taken more than once per day between 30 minutes and 4 hours prior to sexual intercourse.

The dosage for pulmonary arterial hypertension (Revatio) is three order viagra by telephone times a day. Revatio pills are white, round, film-coated tablets imprinted with "RVT 20" embossed on one side

The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete intercourse) 
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