For the last five years the Impotence drugs like Viagra (Sildenafil Citrate) invented by Pfizer has ruled over the market to fight the problem of Male Impotence due to erectile dysfunction.

Although this medicine has some side effects, later it is proven that prolonged used of the medicine reduces the symptoms. Also it is proven that the drug is very much effective for Impotence Treatment to male persons.

In fact this medicine has created history in respect of Men’s Health throughout the world. People with erectile dysfunction have been saved against sure ruin of their family life by utilizing this medicine.

Use of Impotence drugs have drastically improved the Men’s Sexual Health and brought confidence to the male persons who were suffering from erectile dysfunction.

In the later years other types of Impotence Drugs have arrived in the market, which are equally effective for Male Impotence Treatment.

There are three prominent Impotence Drugs being used by Impotent persons in the word who are suffering from Erectile Dysfunction. They are Viagra, Levitra and Cialis.

We shall discuss different features of these drugs and study the differences among them. This discussion will help a person to choose the particular medicine suitable for him. However, we shall recommend, if you are suffering from Erectile Dysfunction, consult an experienced doctor who will study your body condition and prescribe the right medicine for you.

All these medicines are Phosphodiesterase – 5 (PDE-5) Inhibitor which increases blood flow through the Penis during Sexual Intercourse. In fact Erectile dysfunction to male person happens when the penis is not getting enough blood through it during sexual excitement to get proper and sustained erection.

The generic names of these medicines are as below:
Viagra – Sildenafil Citrate
Levitra– Vardenafil HCI
Cialis– Tadalafil


Among three Impotence drugs above, Levitra contains more efficient PDE – 5 Enzyme Inhibitor.

Now let us discuss the effectiveness of these three medicines:

Viagra– Sildenafil Citrate - Effect of this medicine takes 30 minutes to reach to maximum concentration. Erection lasts for minimum 4 hours. Manufacturers have given caution to consult a doctor if the erection prolongs beyond 4 hours and may be dangerous if it last for 24 hours.
Levitra– Vardenafil HCI – This medicine is faster reacting and reaches to maximum concentration within 30 – 40 minutes of taking. The erection lasts for 16 hours.
Cialis- Tadalafil Phosphate – Maximum concentration reaches within 24 hours of taking and the effect lasts for three days.

Side Effects – In respect of side effects, the three drugs produce almost equal side effects to consumers. FDA has issued alarms in respect of side effects for all the three drugs with equal importance. However, effect in respect of blurred vision is less in Levitra, compared to that for Viagra.

We have highlighted some features of the most accepted Impotence Drug. Hope this will help in determining the choice of a particular medicine to use. However, the best man to judge and decide in this respect is your doctor. Please seek his help.