| Viagra (sildenafil citrate) is a prescription medication taken orally for treatment of erectile dysfunction (ED) in males. The blue pill was initially invented to cure heart diseases and forestall heart attacks. Later on scientists concluded that the pills could dilate blood arteries.
Impotence, differently called erectile dysfunction) is a medical condition when the penis does not harden and enlarge when a male is sexually aroused, or when he cannot maintain an erection. Viagra may help a man suffering from ED attain and maintain an erection when he is sexually excited. Viagra is for males only and must be used if prescribed by a general practitioner.
An erection is the result of an increase in blood flow into the genitals and especially to the penis. Viagra works by relaxing the walls of the penis during sexual stimulation, so blood flow to the organ soars.
When taken orally on an empty stomach, maximal medication concentration in plasma is observed within 30 to 120 minutes after administration.
Viagra can efficacious up to 4 hours, but the response reduces with time. When taken with foods containing a lot of fat, the efficiency of the drug decreases.
Like other prescription medications, Viagra can result in adverse side effects in some patients. The most normally reported side effects in males taken Viagra are bad headaches, indigestion, diarrhea, giddiness, facial flushing, temporary visual changes (colour perception changes, light perception changes and blurred vision).
Viagra is contraindicated in men with cardiac problems, inborn malformations of the penis, in men predisposed to prolonged erections brought on by sickle cell disease, plasma cell myeloma (a type of cancer), leukemia, liver problems (especially severe liver disorders), kidney problems and in people taking certain medications used for HIV or those over 65. Deaths have happened during sex in males using the medication.
If taken with other drugs (nitrate or nitroglycerin cardiac medicines), Viagra can trigger dangerous decrease in blood pressure, which can be fatal. Therefore, before taking the medication, ask your doctor about possible drug-to-drug interactions. |
Article Details
