Sildenafil can interact with a lot of medications. For example, combining it with nitrates and alpha blockers can cause dangerously low blood pressure. Sildenafil also interacts with alcohol, grapefruit juice, and medications that affect liver proteins.
are taking medicines called nitrates for chest pain (angina) have a serious heart or liver problem. have recently had a stroke, heart attack or a heart problem – your doctor should carefully check whether your heart can take the additional strain of having sex. have low blood pressure (hypotension)
Viagra does not stimulate you sexually, it can only help you get an erection once you're already aroused. Because Viagra only helps you to get an erection by improving blood flow to the penis, it doesn't force you to get an erection, so it won't work unless you're sexually stimulated.
Viagra is also prescribed for many men with early ejaculation. Viagra helps to maintain the erection after ejaculation and reduces the refractory time before a second erection can be obtained. These medications may be combined with various creams aimed at reducing sensitivity.
It's best to avoid consuming alcohol while taking ED medications like Viagra: Not only can alcohol counteract the medication's effects, but it can also worsen side effects, like flushing and headaches. Again, talk to your healthcare provider before drinking alcohol if you're taking medications like Viagra.
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.
Pfizer, the company that manufactures this drug, has confirmed that the typical Viagra user is on average 53 years old. The company does not keep records of users younger than 33 years. The drug should not be used in young men who do not have erection problems.
Don't taking Viagra with recreational drugs including, poppers (amyl nitrate), ecstasy, cocaine, and LSD. Do not take Viagra if you are taking certain heart medication containing nitrates (e.g. GTN spray, ISMN or ISDN tablets, Nicorandil) or if you are using certain creams to treat anal fissures.
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.
Get the timing right. Ideally, Viagra should be taken 30–60 minutes before you plan to have sex for best results. It needs time to work, so taking Viagra too close to the time that you need it may make it more difficult to get an erection strong enough for satisfying sex. Taking Viagra too early may do the same.
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.
The concentration of Viagra in the blood peaks around 30–120 minutes after taking the drug — usually around the 60 minute mark.
Can you sleep with Viagra? The effects of Viagra last one to four hours, depending on factors such as your age, medical condition, and prescribed dose. Studies have shown that if you sleep after taking Viagra, you may experience a significant increase in nighttime erections.
The most common side effects are headaches, feeling sick, indigestion and dizziness. Many people have no side effects or only mild ones. It can be dangerous to take sildenafil if you also take medicines called nitrates (often given for chest pain). The combination can cause a dangerous fall in your blood pressure.
After 4 hours, half of the Viagra has been broken down by the liver. It continues to decrease over the next 20 hours. Viagra may take longer to work if you take it after a fatty meal because fat slows down absorption in your stomach.
Technically, Viagra, or its generic form, sildenafil, can be taken daily, but it's not always the best choice. Viagra works by opening up your blood vessels and increasing the amount of blood in your penis, making it easier to get an erection.
Think of it as a sexy thermostat. Including your wife in these discussions will create opportunities for sexual expansiveness and connection. Likely, she'll feel met by a partner dedicated to the nurturance of your sexual and emotional expression as a couple. So tell it like it is.
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).
The Mayo Clinic's website attributes delayed ejaculation to a number of possible sources. Physical factors can include medications (particularly antidepressants such as Zoloft and Prozac), as well as any operations, injuries, infections or birth defects that may be impeding your performance.