Viagra Side Effects

It is a hottest item of the year when Pfizer, a well established pharmaceutical company introduced in the market the Viagra a well-known trade name for the generic drug known as sildenafil citrate. Viagra is also marketed around the globe using the brand name as Caverta and Ravatio. The primary intention of manufacturing this over the counter drug is to combat the old aging related sexual dysfunction like erectile dysfunction (ED). The customers can avail of this drug by means of physician's prescription which is safer and through on - line purchase which is very risky. It is also available in different dosages such as 25mg, 50 mg, and 100 mg.

The discovery of Viagra happened by incident. The researchers intended this drug to cure angina pectoris. However, the researchers were so flabbergasted because they found out a remarkable discovery on the effect of this drug. Viagra fails to cure angina pectoris but after a series of trials it always stimulates erection.

The researchers knew that the incidental discovery of this drug will become a big boom in the market so in 1996 the Pfizer applied for the patent of this product and it was finally approved by the FDA in 1996 after passing and complying with the safety standards.

Erectile dysfunction can be attributed to various causes such as psychological factor or physical deformities. It is a common disorder among men who could hardly get or maintain an erection in spite of the fact that they are physically fit or in shape. This is the primary purpose of Viagra it helps those men who are suffering from this kind of illness. However, before taking this medicine the user must seek first the advice of his physician if this drug will be good to his health. Since there are some reported cases of adverse effects of those people who used it without the doctor's prescription such as diabetes, nervous system damage.

Moreover, Viagra is categorized under PDE5 inhibitor. How does PDE5 inhibitor works? It degrades the compound cyclic GMP or also known as cGMP. The cGMP makes the arterial soft muscles in the penile area to relax which in the long run permits the penis swell up with blood and thus erection happens. Levitra and Cialis are some of the well known PDE5 inhibitors that are available and famous in the market due to their aggressive marketing and advertising.

However, before taking this medicine the user must seek first the advice of his physician if this drug will be good to his health. Since there are some reported cases of adverse effects of those people who used it without the doctor's prescription such as diabetes, nervous system damage. Moreover, these are some of the possible undesirable side effects of taking this drug such as sweating, flushing, headaches and stomach upset. There are also some reported cases that this drug can cause blurred vision and very unusual side effect of temporary blindness. A word of warning, do not take this drug when you are drinking drugs for angina pectoris because it will give a dramatic plunge in the blood pressure which is very risky to one's health. Therefore, seek first the guidance and expertise of a competent physician before taking this drug.