- How does Viagra work in treating impotence in males?

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How does Viagra work in treating impotence in males?

Date Added: November 02, 2009 10:42:56 AM

Category: Health

Viagra (sildenafil) is an oral therapy taken for treatment of erectile dysfunction (ED) in males. The blue pill was initially introduced to treat vascular disorders and forestall heart attacks. Later on it was discovered that the pills could widen blood arteries. Erectile dysfunction (impotence) is a medical condition when the penis does not harden and engorge when a man is sexually aroused, or when he cannot sustain an erection. Viagra may help a man with ED achieve and sustain an erection during sexual arousal. Viagra is for men only and must be taken as recommended by a general practitioner. An erection is the result of an increase in blood flow into the sex organs and in particular to the penis. The medication relaxes the blood vessels of the penile area during sexual stimulation, so blood flow to the organ soars. When taken orally on an empty stomach, maximal medication concentration in blood is observed within 30 to 120 minutes after administration. Viagra can effective up to 4 hours, but the response after 4 hours is less than it is after 2 hours after administration. When taken with foods rich in fat, the effectiveness of the medication decreases. Viagra is contraindicated in males with cardiac problems, anatomical malformations of the penis, in men predisposed to lengthy erections triggered by blood cell disorders, liver problems (particularly severe liver disorders), kidney problems and in people taking certain medications used for HIV or those over 65. Deaths have occurred during sex in men using the pill. Like other prescription drugs, Viagra can result in adverse side effects in some patients. The commonest side effects are headaches, dizziness, indigestion, facial flushing and visual problems. If taken with other medications (nitrate or nitroglycerin cardiac medicine), Viagra can lead to serious drop in blood pressure, which can be life-threatening. So, before taking the drug, consult your medical practitioner about possible drug-to-drug interactions.

How does Viagra work in treating impotence in males?

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