Sildenafil usually lasts for approximately four hours, giving you a large time window in which you can have sex with optimal erectile function.
Regardless of your dose or individual metabolism rate, Viagra usually wears off after 4-6 hours. Note that your erection should never last more than four hours. If it does, seek medical treatment.
Viagra helps to maintain the erection after ejaculation and reduces the refractory time before a second erection can be obtained.
To get the desired effects, sildenafil should first be taken at least an hour before sexual intercourse is expected. Sildenafil is absorbed quickly and may take around 30 minutes to 120 minutes to reach peak concentration.
Viagra doesn't start working immediately after taking it, as the medication needs time to be absorbed into your blood. For most men, it takes around 30 minutes before you start to feel the effects of Viagra. 12 minutes after – One study has shown that some men got an erection just 12 minutes after taking Viagra.
Swallow tablets whole with a drink of water or juice (but not grapefruit juice). For erectile dysfunction, it's best to take sildenafil on an empty stomach. It may take longer to work if you take it with food.
A penile erection can normally last anywhere from a few minutes to about half an hour. On average, men have five erections a night while they're sleeping, each lasting about 25 to 35 minutes (Youn, 2017).
Viagra and its generic form, sildenafil, are a treatment for erectile dysfunction. They're designed to keep you hard long enough for everyone to enjoy themselves.
Some guys experience many erections each day, whereas others may not experience any. Hormones fluctuate with age, sexual maturity, level of activity, and even the amount of sleep a guy gets. Unless your erections are causing you discomfort or pain, don't worry about how many you get.
After orgasm, every man goes through a recovery cycle, called the refractory period, which is when it is not possible to get another erection. This resolution stage can take anything from minutes to days and varies from man to man, generally extending as you get older.
This is usually caused by stress, tiredness or drinking too much alcohol, and it's nothing to worry about. It can also be a side effect of some medicines. If erectile dysfunction happens often, it may be caused by a condition such as: high blood pressure or high cholesterol.
Because 100mg is the highest dose available, you should never 'double up' on tablets or take more than one in 24 hours. Sildenafil 100mg is the highest safe dosage you can take – if it is ineffective, you should try another ED treatment.
Tolerance to sildenafil has been reported,[6] but so has efficacy for up to 4 years without requirement for dose increase. [7] It is possible that tolerance, if any, is due to progression in the organic pathology responsible for the ED.
Viagra (sildenafil) is a prescription medication used to treat erectile dysfunction. Headache, flushing, and upset stomach are common Viagra side effects. These effects are usually mild and often resolve on their own. While rare, Viagra can cause an erection that lasts longer than 4 hours (priapism).
“Generic Viagra” is typically called sildenafil, and it has the same active ingredient and dosage as Viagra, but it is not sold under the brand name. These generic drugs are bioequivalent, which means they act the same way and produce the same results in the body.
When you have trouble achieving or maintaining an erection with a partner, it can be embarrassing – especially if it is happening for the first time. When something like this happens, it is easy to close yourself off and wallow in your worry and self-pity.
Viagra can cause some serious side effects. These can include an erection that will not go away (priapism), sudden vision loss in one or both eyes, and sudden hearing decrease or hearing loss. Some men have also experienced heart attack, stroke, irregular heartbeats and even death after taking Viagra.
The biggest difference between Viagra and Cialis is the amount of time their effects last. Viagra remains effective for 4 to 6 hours, which offers ample opportunity to have sex on multiple occasions if you wish. However Cialis typically allows you to achieve erections for up to 36 hours after taking a tablet.