viagra online
Wonder drug Viagra completed 10 years of wonderful life. Viagra is a brand name for Sildenafil which is used for sexual dysfunction problems. England researchers accidentally identified its efficiency in treating erectile dysfunction in males while they are testing it for heart diseases. FDA took 10 years to grant its approval. Afterwards, Viagra changed the lives of many impotent males worldwide.Viagra ( blue pill) dilates blood vessels by releasing nitric oxide and increases blood flow to organs like penis thereby keeping erection. Viagra got another nickname “Vitamin V”. It is the first oral drug approved by FDA for erectile dysfunction (ED) after more than 120 clinical trials on 16,000 men over 10 years. Before the discovery of Viagra, doctors treated impotence through painful surgical procedures.
Viagra should be taken on empty stomach for better efficiency and it takes 30 minutes to start action. Viagra can be taken by men of all ages but its efficiency in females is unknown.