Viagra - Active ingredient - Sildenafil, 100 mg. Effect of "Viagra" is based on significant increase of blood stream to penis. Begins to work in 30 minutes, the effect lasts for 4-5 hours. Most of men can take this generic viagra every day. Millions of men worldwide cannot be mistaken, choosing Viagra!
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Viagra product description
Viagra is a drug for treatment of erectile dysfunction in men, characterized by the inability to get and maintain an erection. Viagra is not recommended for use in women and adolescents younger than 18 years.
Under the influence of Viagra, the smooth muscles of the cavernous body are relaxed and the blood flow to the penis is increased. The drug provides a systemic vasodilating effect lowering blood pressure.
The recommended daily dose of Viagra is 50 mg orally, about an hour before sexual activity. Nevertheless, the patient can take the drug 3 hours prior to copulation. Considering the drug efficacy and the patient’s tolerance, a dose of Viagra can be increased to 75mg or 100mg per day. If necessary, a dose of Viagra can be reduced to 25mg.
Clinical studies have demonstrated that a single dose up to 800mg of Viagra may cause severe adverse reactions. There is no specific antidote in case of overdoses. The difficulty of the treatment of overdose is that Viagra is not excreted in the urine; therefore, dialysis is ineffective in overdose. In this case, the patients are advised to pass symptomatic treatment.
To make Viagra act, sexual stimulation is required. Alcohol in excessive amount does not affect Viagra efficacy. However, alcohol in large amount can lower blood pressure and weaken effects of Viagra.
The patients with diabetes and hereditary pigmented retinitis should take caution while applying Viagra. Coadministration of Viagra and other drugs for erectile dysfunction treatment should be avoided. Use of Viagra in elderly does not require dosage adjustments. A single dose of Viagra should not exceed 25mg in the patients with severe renal insufficiency.
Viagra recommended storage temperature is not above 30°C. Viagra tablets must be protected from light, heat and moisture.
Viagra safety information
Viagra is determined to increase a hypotensive effect of nitrates. Therefore, Viagra is contraindicated to the patients taking any type of nitrate-containing medications. Viagra should be taken with extra caution by the patients on alpha-blockers, since coadministration of these drugs result in symptomatic hypotension.
Viagra is recommended to be avoided by men with preexisting cardiovascular disease. Moreover, Viagra is not recommended for men who are contraindicated to get sexually activity because of their cardiovascular status.
All information about erectile dysfunction, presented in the review of Viagra, is for informational purposes only and does not intended to replace the diagnostics, treatment and professional advice of the expert urologist. The online pharmacy shall not be liable and responsible for any kind of damage, which arose from the incorrect using the information about erectile dysfunction medication Viagra.
Viagra side effects
Usually Viagra may cause short-term mild undesirable effects, which intensity and frequency depend on the dosage of the impotence agent. Less than 3% of withdrawals of treatment of erectile dysfunction with Viagra pills have been reported because of some undesirable effects. The most common Viagra undesirable effects include headache, diarrhea, arthralgia, myalgia, back pain, dizziness, and rash. In addition to the said undesirable effects, Viagra may also cause nasal congestion, flu syndrome, dyspepsia, hot flush, infections of respiratory and urinary tracts, nausea or visual disturbance, such as blurred vision or visual color distortions.v