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Genuine Pfizer Viagra from UKMeds4U.com
Genuine Viagra manufactured by Pfizer is a treatment for men with erectile dysfunction (sometimes referred to as ED or impotence). This is when a man cannot get, or keep, a hard and erect penis suitable for sexual activity.
Genuine Pfizer Viagra contains an active ingredient called sildenafil. Sildenafil helps to relax the blood vessels in the penis, allowing more blood to flow into the penis when you are sexually aroused, which causes an erection.
Genuine Pfizer Viagra belong to a group of medicines called 'phosphodiesterase type 5 (PDE 5) inhibitors' and is only for use by men with erectile dysfunction, and it only works when a man is sexually stimulated.