Viagra and Some Alternates
When men reach the 18 th year, everything seems to work fine and in the way it should be. When men age, they find out that they are getting weak and many problems due to the age starts to appear. One such age-related problem is erectile dysfunction. Imbalance of 
the hormones can result in erectile dysfunction. People do not understand this till they fail to perform in the bed. However, hormonal imbalance is not the only reason of erectile dysfunction. Hypertension and diabetes can also cause erectile dysfunction. If you are seriously ill or if you're using some medicines, they may also cause erectile dysfunction. Some physiological factors can also result in erectile dysfunction. Such factors can be treated with counseling. You do not have to use any medicine for impotence that result from physiological disorders. But if ED becomes a physical problem, you will need immediate treatment.
Are you eligible to use Viagra?
You should be eligible to use Viagra. Stress, depression, weariness, tension and physical illness etc. factors can be the reason behind impotence. Viagra is capable of restoring your sex drive but it cannot make you want to have sex. There is a rumor that Viagra can only restore the sex drive which is already present. By restoring the sex drive, Viagra helps people to live a normal life once their sexual health is restored. But the rumor is not true. Even if you have sex drive but you do not get any sexual stimulation then Viagra will not work. Even after taking Viagra, if you are not stimulated after one hour of using the medicine, you will not have an erection. You definitely need a prescription from your doctor to use Viagra. When you are using a nitrate based drug, you should avoid using Viagra because combining Viagra with the nitrate medicine will result in increased blood pressure and can make some vessels functionless.
Men who suffer from impotence occasionally can use Viagra. Viagra is supplied in tablets of 25mg, 50mg, and 100mg. The tablets are diamond shaped, bluish in color and also got the word Pfizer marked on them. You can take Viagra with milk or with water.
Viagra Ingrdients
Viagra is citrate salt of Sildenafil. It is a PDE5 inhibitor. Citrate salt can improve the flow of blood to the tissues in the penis. Men should use Viagra at least 1 hour prior to sexual activity. The resulting erection may last for four hours.
Side effects
Even though Viagra is a blessing and it is a life-changing medicine, it still has some side effects. These side effects show rarely. Some of the side effects include flushing of the face, headache and stomach problems etc. In some cases, after taking Viagra, the erection may last for more than four hours which can be a big problem because it can damage the penis and make it useless. If that happens, talk to your doctor. Many users also complain of having blurry vision due to Viagra.
