Buy Silagra online, Silagra is a brand name of medicine.which contains sildenafil citrate,which is an inhibitor of phosphodiesterase type 5 (PD5).uses of treatment erectile dysfunction.erectile dysfunction is a problem in humen ,their sexual activity is not maintain. Silagra has some of mind side effects that are occur,after taking but it normal you do not need any type of medicine to treat side effects. Silagra is very effactive but it should be taken 30 minutes before sexual activity..it work by increasing blood flow to the penis.