Viagra (sildenafil) is a well-known impotence agent from the drug class of PDE5 inhibitors (phosphodiesterase type 5 inhibitors). Viagra was the first oral medication approved by FDA to treat erectile dysfunction in men. Erectile dysfunction or impotence is one of the most common sexual dysfunctions in men of all ages. Impotence may be induced by different factors: psychological, physiological or both. Certain medications may contribute to the development of this condition. Most men do not want to seek treatment when they experience periodical difficulties in achieving or maintaining erections. When the situation with erections becomes more serious – impotence gets a persistent character, they seek help. Nowadays ED condition is successfully treated with PDE5 inhibitors. After physical exam and other tests, a doctor offers a patient with diagnosed ED one of the treatment options available nowadays. One of the most safe and effective method of fighting with ED is taking Viagra medication.
Viagra is produced in a form of tablets in dosages of 25 mg, 50 mg and 100 mg. The tablets are rounded-diamond in shape, blue in color. The usual starting dose of Viagra is 50 mg. The dose choice depends on other conditions that a patient may have. Viagra, like all other PDE5 inhibitors, works by influencing on the chemical processes in the body. Particularly, it inhibits the action of PDE5, improves blood flow to the penis and thus provides an erection. Viagra is fast absorbed from the stomach. Still food high in fats can delay the effect of the drug. Besides, alcohol intake in large amounts with Viagra may negatively influence on a patient’s general feeling and provoke side effects of the drug. Viagra is effective in 87% of cases, according to the results of the clinical trials. Men taking part in the studies reported significant improvements in erectile function, duration of the sexual intercourse and rigidity of the penis. Viagra is a prescription medication with certain contraindications and side effects. Viagra should not be taken with nitrate-based medications or medications with blood pressure lowering effects. Ask your doctor about other drug interactions of Viagra. Viagra shouldn’t be taken with similar medications including Cialis, Kamagra, Staxyn or Levitra. Viagra usage should be carefully considered in patients with serious cardiovascular status, kidney or liver impairment, eye hereditary diseases, blood cell disorders and other serious conditions. If anything applies to you, consult your doctor about possibility to have Viagra treatment. Viagra is taken 30 minutes to 2 hours before sexual intercourse, you can actually take Viagra 4 hours before sexual activity - the effect of Viagra lasts approximately for 4 hours. Viagra has been proven as a safe and effective treatment of ED condition in men. If you have any problems with erections, ask your doctor about Viagra.