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Pfizer Viagra ® (sildenafil citrate) enables many men with erectile dysfunction (ED) to respond to sexual stimulation. When a man is sexually aroused, the arteries in the penis relax and widen, allowing more blood to flow into the penis. As the arteries in the penis expand and harden, the veins that normally carry blood away from the penis become compressed, restricting the blood flow out of the penis. With more blood flowing in and less flowing out, the penis enlarges, resulting in an erection. Please understand that sildenafil citrate is not a hormone or aphrodisiac, it works only when a man is sexually stimulated.

A. Viagra® works for about 80% of men that try it. Consuming large quantities of alcohol and eating a meal that is high in fat will cause Viagra® to be less effective. Please refer to This is a valuable page to visit to obtain the most from your Viagra® prescription

Q.When should I take Viagra ®?

A. Viagra® should be taken 30 minutes to 1 hour before intercourse, giving you ample time to become more acquainted with your partner.

Q.How long does Viagra ® last?

A. Viagra®, taken as prescribed, will remain in your system for 4 to 8 hours, providing more than enough time for those "not so timely" events.

Q. Will Viagra ® stop working when I ejaculate?

Q.Can Viagra® work for women?

A. While Viagra® is commonly prescribed and sold to men, it does have a similar stimulatory effect on women. However, Viagra® is currently recommended by doctors for men only.