VIAGRA is a prescription drug that works by increasing blood flow to the penis.
When a man is sexually stimulated, VIAGRA helps the penis fill with enough blood to cause an erection. After sex is over, the erection goes away. It remains effective for about 12 hours.
During arousal, the arteries in the penis relax and widen, allowing more blood flow into the erectile tissues. These arteries then expand and harden. The veins that carry blood away from the penis become compressed, restricting the blood flow out of the penis. More blood begins flowing in and less flows out, making the penis larger, and causing an erection. Blood must be able to reach and remain in the erectile tissues to maintain erection quality.
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Viagra helps in making the proper erection. It increases the blood flow in the penis which can make the proper erections. Viagra is the perfect solution for the treatment of ED. Viagra should take before the sexual activity.buy viagra australia online without prescription.
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Viagra tablets should preferably be taken on an empty stomach. If they are taken with food they may take longer to start working. Your tablet should be swallowed whole with a drink of water.
Your Viagra tablet should be taken about one hour before sexual activity. With sexual stimulation you may achieve an erection after about 30 to 60 minutes.
You should avoid drinking grapefruit juice while taking this medicine, as it may increase the level of this medicine in your blood and hence increase the risk of side effects.
You should not take Viagra more than once a day.
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