Opened in a "random" way, the drug was named Viagra , its tablets still cause amazement in a large number of people. This drug has proven to be a powerful stimulant for people suffering from erectile dysfunction (impotence). Its essence lies in the effect on the circulatory system of the penis during sexual arousal. The composition of this drug has the active substance sildenafil, which under certain conditions can expand blood vessels and have a positive effect on erection.
Drug Efficiency and Dosage
Additional studies have confirmed the effectiveness of the new drug in the treatment of erectile dysfunction. Good results were obtained in people who had and had serious diseases (spinal injuries, diabetes mellitus, etc.). This tool has rightfully gained immense popularity. Thanks to him, many men again became able to have an erection and achieve orgasm. Today, this drug is available to everyone, it can be found in almost any pharmacy.
The drug Viagra, the tablets of which are usually blue, is produced in various dosages, with an active substance content of 25, 50, 100 mg. The maximum allowable daily dose should not exceed 100 mg. When consulting with a doctor, each dose is individually selected. It is important that it can not be consumed more than once a day, this is due to the period of its withdrawal from the body. In young and middle-aged people, a day is enough for the withdrawal of the active substance, in the elderly, this process can drag on for a longer time.
Viagra tablets - the instruction recommends taking on an empty stomach one at a time, one hour before the intended proximity. Its active effect ends after four hours. During the reception, you do not need to chew, just swallow it with water. More than 70% of patients with impotence, about half an hour after taking the pill, feel its effect. For most men, a dose of 50 mg is considered normal, for people with liver and kidney problems, as well as for the elderly, the recommended dose is 25 mg.
Side effects and contraindications
Viagra pills her some of the best in the fight against impotence, but in some cases, they can cause an undesirable mild reaction, the duration of which is not long. This may be the appearance of headache, dizziness, upset stomach and vision, redness of the skin. If such symptoms appear frequently, it is necessary to adjust the dose to a smaller side. Before using the drug, you must consult with a urologist, it is especially important for the elderly, suffering from kidney and liver diseases.
You can not take tablets for people who constantly use nitrate-containing drugs (nitrosorbitol, cardicet, nitroglycerin, etc.).
It is not recommended to use this tool for people with low and high blood pressure, suffering from angina pectoris and arrhythmia, etc. Otherwise, a sharp drop in blood pressure is possible, and this can lead to loss of consciousness or even death. The drug is contraindicated in women (there is a special female viagra) and in children under 16 years of age. By the way, female Viagra is able to enhance orgasm even in frigid women, while it, like men's, does not affect reproduction.
Viagra tablets should not be taken with any drug that increases potency. Doctors do not recommend taking the drug with a lot of strong alcohol. Packages of the drug offered in pharmacies usually contain one or four tablets. Viagra tablets, their cost may vary depending on the region and the remoteness of the supplier.