November 15th, 2022
Viagra is a brand-name prescription drug approved for the treatment of erectile dysfunction (ED). You can't have or keep an erection if you have ED. Viagra is approved for this use in men over the age of 18.
Sildenafil is the active ingredient in Viagra. It belongs to the phosphodiesterase type 5 (PDE5) inhibitor class of drugs. (A class of drugs is a group of medications that have similar effects.) Viagra works by increasing blood flow to your penis, allowing you to have and maintain an erection. However, this drug is only effective if you are sexually aroused.
Viagra is available in the form of tablets that are taken orally. It should be taken about an hour before sexual activity in most cases, but it can be taken 30 minutes to 4 hours before.
It certainly does. Viagra was found to be effective in treating ED in several clinical studies. Men who used the drug had an improved ability to have and maintain erections that allowed for successful sex in these studies.
Across the studies, 43% to 83% of men who took Viagra had better erections. (These rates differed according to the cause of their ED and the dosage of Viagra used.) In comparison, 10% to 24% of men who took a placebo experienced improved erections.
Viagra typically begins to work between 30 and 60 minutes after administration. However, Viagra does not cause an erection. Instead, in order for the drug to work, you must be sexually aroused.
Viagra remains active in your body for up to 5 hours. This means that if you're aroused, you should be able to maintain an erection for up to 4 hours after taking a Viagra dose.
Even though Viagra works for several hours in your body, your erection should not last this long. In fact, Viagra can occasionally cause priapism. You have a long-lasting and sometimes painful erection with this condition.
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