The effect of Viagra consists of five stages:

• the drug, due to the generation of nitric oxide and inhibiting an enzyme that may reduce the potency of an erection, helps smooth muscle relaxation and increase the blood flow to the penis;
• next, your body needs sensory and mental stimulation to get an erection;
• after receiving information about the stimulus, your brain generates impulses for the central nervous system;
• through it, impulses get to all the participants of successful sexual intercourse: hormonal, cardiovascular, respiratory, and other systems;
• as a result of their activity, the blood fills two tubes of spongy tissue in the penis, allowing you to get an erection.

So, two-thirds of men respond positively to the question How effective is Viagra?

How Long Does It Take for Viagra to Kick In?

Viagra takes around 30 minutes to start the chemical processes described above. That is why doctors recommend taking this medication one hour before sexual activity.

How long Viagra take effect?

The following factors may boost or slow the effect of the drug:

• if taken on an empty stomach, Viagra will work faster;
• high-fat meal slows down the rate of absorption of the medication but, at the same time, makes it last longer;
• physical or mental stimulation and a trusting relationship with a partner are a must;
• age, physical condition, and metabolism are important.

How Long Does 100mg Viagra Last?

The effects of taking 50-100 mg of Viagra can last for up to 4 hours, as stated in one of the studies. However, you should keep in mind that the concentration of the drug in the system peaks 30 minutes after the intake. It starts wearing off after two hours, and in four hours, it stops working. A higher dose (100mg instead of 50mg) may facilitate the achievement of erection and make it last longer.  More importantly, it increases the chances of getting an erection from 72% to 86%. However, it also increases the risk of getting adverse reactions.

How Long Before Sex Should You Take Viagra?

It is better to take Viagra 60 minutes before you intend to have sex. Thus, according to the study, some men got an erection 12 minutes after taking the drug. The median time to onset of erections was 27 minutes (range 12–70 min).

How Long Does Sex Last With Viagra?

Various studies showed that Viagra:

• is effective in treating premature ejaculation;
• reduces the refractory period (you will be able to recover faster after the orgasm);
• does not improve sexual function in men.

That is why successful and long enough sex on Viagra depends on a man’s condition. A good physical shape will prolong Viagra’s effective time.

You should remember that to have good sex, viagra tablets for male is not enough. The drug increases your sex drive, but you still need mental and physical stimulation.

How Long Do the Effects of Viagra Last?

After taking Viagra duration of action may last from 4 to 8 hours. However, how long is Viagra effective for a particular man depends on his metabolism, and the dose taken. Some men may get more than one erection during this period.

Still, even though Viagra stays in your system for up to 8 hours, it doesn’t mean that after 4-5 hours, you will get an erection.

How Long Does a Viagra Tablet Last For?

Generally, Viagra lasts between 2 and 3 hours. Then its effect starts to decrease. The drug may last up to 5 hours or even longer, depending on your dose, metabolism, and other factors. For example, if you had high-fat foods before Viagra, it starts work later but may last longer due to a delay in the absorption of the active ingredient.

How Long Does Viagra Last After Ejaculation?

Viagra effect does not depend on ejaculation. Some people may get several erections after taking only one blue tablet. Moreover, Viagra reduces the refractory time, and a second erection can be obtained faster than usual.

Viagra 4-Hour Warning

An erection that lasts more than 4 hours means you have priapism. This is a case of medical emergency: the blood trapped in the penis is deprived of oxygen. It requires immediate treatment.

Does Viagra Increase Libido?

No, Viagra will not increase your libido. Don’t confuse Viagra with sex drive. This drug just increases blood flow to your penis to help you get or maintain an erection.

Conclusion

To sum it up, we should mention that Viagra affects chemical processes in your body. However, the blue tablet requires physical and mental stimulation to be effective.

Usually, you get an erection between 12 to 70 minutes after intake. Moreover, some men may have the next erection after ejaculation.

Generally, Viagra lasts between 2 and 3 hours; still, it may last up to 5 hours or even longer.

Viagra leaves your system after about 8 hours from the intake.