A açao do viagra

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What kind of drug is Viagra?

The active drug in Viagra is sildenafil. It belongs to a group of drugs called phosphodiesterase-5 inhibitors. Viagra comes as tablets you take by mouth. You’ll only need to take it as needed, before having sex. You don’t need to take Viagra regularly each day.

What should I know about Viagra before taking it?

Be sure to tell your doctor about any blood cell problems you have, including sickle cell anemia. Eye conditions, such as non-arteritic anterior ischemic optic neuropathy (NAION) or hereditary retinitis pigmentosa. Rarely, Viagra can cause loss of vision in one or both eyes.

Is it safe to take Viagra while on alpha blockers?

You should be stabilized on alpha-blocker therapy prior to using Viagra in order to use it safely, and it should be prescribed at the lowest dose. Otherwise, the two medications together could cause low blood pressure.

How many mg of Viagra can a 65 year old take?

Adults over age 65 often start with the lower dose, 25 mg. The dose could be increased to 100 mg depending on how effective it is and how well it’s tolerated. Certain medications and conditions may interact with Viagra, so it’s important to tell your doctor about any medications you take before you are prescribed Viagra.

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Does Viagra work the first time you take it?

Whilst the success rate is high, Viagra may not work the first time you take it and is not guaranteed to always work. Feeling relaxed and getting in the right frame of mind will help to increase the chances of Viagra working. It is also important to note that Viagra will only work when you are sexually stimulated.


What happens after taking Viagra?

Viagra is rapidly absorbed into the bloodstream. Maximum concentrations are reached within about an hour. One of the more common side effects is flushing, or redness. This medication can also cause a decrease in blood pressure, particularly 1 to 2 hours after taking it.


How much Viagra should I take for fun?

Do not take Viagra more than once daily. The usual recommended dosage is 50mg (range 25mg to 100mg), taken when needed, an hour before sexual activity. However, it may be taken anywhere from 30 minutes to four hours before sexual activity.


What does Viagra do to a man?

Viagra works to treat ED by helping you have and maintain an erection. The drug does this by improving blood flow into your penis when you’re sexually aroused. Viagra is a type of drug called a phosphodiesterase type 5 (PDE5) inhibitor.


Does Viagra keep you hard after coming?

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.


What happens if a girl takes Viagra?

We know that in men, Viagra dilates blood vessels and increases the flow of blood to the penis. Women who take it might also have increased blood flow to the genitals. That may help increase sensitivity, arousal, and orgasmic function.


How do you know when Viagra is working?

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.


How long does a man stay erect with Viagra?

Viagra typically starts working within 30 to 60 minutes and lasts for about 2 to 3 hours after that. Seek medical attention if you experience an erection lasting longer than 4 hours.


How long does Viagra last?

Viagra is a useful form of treatment for erectile dysfunction. It is best to take the drug around 60 minutes before sexual activity, and its effects can last up to 4 hours. Viagra cannot cause an erection if there is a lack of sexual arousal.


Can I use Viagra for fun?

Taking Viagra For Fun: Not Worth The Risks Using medication like Viagra recreationally isn’t a good idea. In fact, doing so may increase your risk of dealing with side effects and interactions, especially if you use other medications, alcohol or recreational drugs at the same time.


Can a normal guy take Viagra?

Viagra and the other phosphodiesterase 5 inhibitors are meant to be taken only by men who have erectile dysfunction (ED). Since Viagra was introduced in 1998, the number of men diagnosed with ED has gone up by 250 percent. Risk factors for ED include older age, obesity, diabetes, heart disease, and high blood pressure.


Who should not take Viagra?

Patients taking both medications should not take Viagra more often than every 48 hours. Additionally, Viagra is not advised to be taken by patients who: Are also taking medicines called nitrates (such as nitroglycerin), which are used to treat high blood pressure during surgery and certain heart conditions.


Is Viagra safe to take?

Yes, Viagra is safe for most people to take. But be sure to talk with your doctor before starting this drug. If you have certain medical conditions…


Does Viagra interact with steroids, blood thinners, or antidepressants?

In most cases, it’s probably safe to take Viagra with steroids, blood thinners, or antidepressants. In fact, sometimes these drugs may cause sympto…


How should I store Viagra? Does it expire? And what’s its shelf-life?

You should store Viagra at a temperature of 77°F (25°C). If needed, you can store this medication between 59°F and 86°F (15°C and 30°C) for a short…


Can I take Viagra and Adderall together?

There aren’t any known interactions between Viagra and Adderall XR. But that doesn’t mean that no interaction exists. Viagra works by widening your…


Is Revatio an alternative to Viagra?

No, Revatio isn’t an alternative to Viagra. Revatio and Viagra both contain the active drug sildenafil. But they’re prescribed for different reason…


Are there risks to taking Viagra with illegal drugs, such as cocaine?

Yes, there are likely risks to taking Viagra with illegal drugs, including cocaine. In fact, taking Viagra along with an illegal drug called “poppe…


Does Viagra treat premature ejaculation?

At this time, Viagra isn’t approved to treat premature ejaculation. With premature ejaculation, ejaculation happens too quickly. Viagra has been st…


How long does it take for Viagra to work?

It takes approximately one hour for Viagra to start working, although some men find that it starts to work sooner than this.


What is the process of erections?

Erections require a combination of stimulation and blood flow. When you feel sexually aroused, whether it’s due to visual stimulation, physical stimulation or both, impulses from your nervous system cause blood to flow to your penis.


Can you get an erection after taking Viagra?

This makes it easier to get and maintain an erection, but it won’t cause you to get an erection spontaneously. Without any type of sexual stimulation (whether it’s visual, physical or psychological), you won’t get an erection after taking Viagra. Your sexual arousal process will still be the same as normal.


Does Viagra help with erectile dysfunction?

Viagra works by improving blood flow to your penis, making it easier for you to get and stay hard during sex. For many men affected by erectile dysfunction, medications like Viagra allow for a satisfying and fulfilling sex life that isn’t possible without medication. However, Viagra’s effects are primarily physical, meaning …


Does Viagra reduce refractory period?

Another common belief about Viagra is that it can reduce your refractory period — the amount of time that needs to pass for a man to recover after having sex and reaching orgasm. In this case, the common belief about Viagra is actually true. Scientific studies usually show that ED medications such as Viagra reduce the amount …


Does Viagra work on the penis?

As a PDE5 inhibitor, Viagra prevents PDE5 from working.


Does Viagra cause erections?

Viagra and other ED medications don’t directly cause you to get an erection or provide any kind of sexual stimulation on their own. Instead, all these medications do is improve the rate of blood flow to your penis when you feel aroused.


What is Viagra used for?

Viagra is used to treat problems relating to male sexual function, particularly problems concerning the ability to achieve and maintain an erection. Learn how to take Viagra safely to treat erectile dysfunction. Steps.


What are the side effects of Viagra?

These don’t indicate that it’s necessary to go to the doctor, but if you experience them you may want to lower your dosage or stop using Viagra. Moderate side effects of Viagra include: Redness and heat in the neck and face. Headaches. Stuffy nose.


How to get rid of erectile dysfunction?

1. Talk to your doctor. You may be a good candidate for Viagra (sildenafil) if you are suffering from erectile dysfunction, or the inability to hold an erection long enough to engage in sexual activity. It’s important to discuss the medication with your doctor to make sure the drug is a healthy choice for you.


How long before sex should I take Viagra?

You should take Viagra 30 to 60 minutes before sex, since it takes a while for the medication to circulate. Try to eat low-fat meals before taking Viagra, since fatty foods, like red meat and fried foods, slows down its absorption. Avoid taking Viagra more than once a day, since you should not exceed 100mg.


How much Viagra should I take?

1. Ingest Viagra pills orally as directed by your doctor or pharmacist. The usual recommended dose is 50 mg, but in some cases, your doctor may recommend taking either more or less than the average dose. Viagra pills are available in either 25 mg, 50 mg, or 100 mg tablets. The maximum recommended dose is 100 mg.


How many times a day should I take Viagra?

However, Viagra may be taken up to 4 hours before sexual activity and still be effective. Don’t take Viagra more than once a day. Taking Viagra multiple times per day is not advised, especially if it means exceeding the recommended 100 mg dosage. Eat low-fat meals before you take Viagra.


Can you stop taking Viagra?

See a doctor immediately if you experience severe side effects. In some rare cases, Viagra causes side effects dangerous enough to merit a trip to the doctor. If you experience one of these symptoms, stop taking Viagra immediately and call your physician: [6]


História do Viagra

A história da descoberta do Viagra é bastante famosa no mundo da ciência. No País de Gales, estavam em andamento ensaios clínicos com sildenafil para tratar a hipertensão e a angina de peito. Durante os estudos de fase I, observou-se que a droga produzia uma ereção significativa do pênis.


Por que a disfunção erétil ocorre?

Para entender melhor como o Viagra funciona e como se dá seu efeito, é importante conhecer a condição que ele trata. A disfunção erétil ocorre quando há dificuldade para alcançar ou manter uma ereção. Costuma ser mais comum conforme a pessoa vai envelhecendo, mas não é uma parte natural desse processo.


Mecanismo de ação do Viagra

O Viagra pertence a um grupo de medicamentos chamados de inibidores da fosfodiesterase tipo 5. As fosfodiesterases são enzimas (um tipo de proteína) que catalisam as reações de hidrólise no corpo.


Reações adversas e contraindicações

Como todos os medicamentos, o sildenafil pode ter efeitos colaterais, embora nem todas as pessoas os apresentem. As reações adversas observadas com o uso desse medicamento são, em geral, de intensidade leve a moderada e de curta duração.


How long does Viagra last?

Typically, Viagra can last up to 4 hours, but many users say it begins to wear off within 2 or 3 hours. Some have reported it lasting up to 5 hours. In case you’re wondering, you will not have a boner the entire time. It just means you’ll be able to get hard during that window.


What are the side effects of Viagra?

Below are the most common side effects of Viagra. Talk with your doctor if you experience any of these symptoms for an extended period of time: 1 headache 2 feeling sick 3 back and muscle pain 4 dizziness 5 rash 6 flushing 7 stuffy or runny nose 8 vision problems, such as blurred vision or a blue hue


What medications interact with Viagra?

Some medications and conditions that interact with Viagra include: Ritonavir.


How much erectile dysfunction medication should I take?

Your doctor will tell you how much you should take. For help with erections, the recommended dose for adults ages 18 to 64 years old is 50 milligrams (mg). Adults over age 65 often start with the lower dose, 25 mg. The dose could be increased to 100 mg depending on how effective it is and how well it’s tolerated.


How long before sex can I take ED?

Ideally, take it an hour before sexual activity. But it can be taken 30 minutes to 4 hours before sexual activity, too.


Can Viagra cause nausea?

In any case, it’s important to also beware of side effects such as lightheadedness, change in vision, and nausea when taking Viagra, and talk with your doctor if you experience any of these. For severe side effects such as prolonged erections and loss of vision or hearing, stop taking the drug and immediately seek medical attention.


Is Viagra counterfeit?

Recreational Viagra is a thing, and so is counterfeit Viagra. Trusted Source. . Both are risky and can lead to a lot bigger and scarier side effects than a raging monster of a hard-on. A doctor will prescribe the safest and most effective dose based on your health and needs.


How to make sure Viagra is legal?

One way to ensure it’s legal and safe to buy is that the site or seller requires a doctor’s prescription. You should make an appointment with your doctor to get a prescription before trying to buy Viagra. Make sure your doctor is covered under your health insurance plan.


How long does it take for a pharmacy to fill a prescription for Viagra?

After the pharmacy receives your prescription for Viagra, it may take a few minutes, or even a day for the pharmacy to fill your prescription. When you pick up your prescription, be prepared to pay your co-pay if you are insured, and the entire cost of your prescription if you are not insured.


How do I get a prescription for Viagra?

To get a prescription for Viagra, start by making an appointment with your doctor to discuss your erectile dysfunction, as well as your medical history. Then, if you and your doctor decide that Viagra is right for you, use your prescription to purchase Viagra at your local pharmacy.


What is the name of the drug that is used to treat erectile dysfunction?

Viagra is the brand name of the drug sildenafil, which is commonly prescribed to treat erectile dysfunction. Viagra works by enhancing the effects of nitric oxide, a natural chemical that helps to relax the muscles in the penis and stimulate blood flow there. Viagra can be purchased through a traditional pharmacy or online, …


Is Viagra a scam?

Purchase Viagra online. The online world does big business in selling Viagra and, unsurprisingly, online scams are quite common. If you opt to buy Viagra from an online retailer, you should take some precautions and do your research. Make sure the online pharmacy or other retailer is legitimate.


Is Viagra a fake drug?

government agency responsible for promoting public health Go to source. Viagra is actually one of the most counterfeited drug in the entire world. In one study, 80% of websites selling Viagra were not selling the real drug but fakes.


Is Viagra untenable for you?

You’ll want to make sure to inquire about the potential side effects, contraindications (or conditions that make Viagra untenable for you, such as a history of heart problems, stroke, liver or kidney disease, etc.), and risks of taking Viagra. You should also ask what results should expect from using the medication.


Quais os efeitos colaterais do Viagra?

Apesar de não causar efeitos colaterais graves em pacientes que fazem acompanhamento médico, em alguns casos o indivíduo pode desenvolver os seguintes sintomas:


Quanto tempo dura o efeito do viagra?

O Viagra leva cerca de 30 minutos a 2 horas para começar a surtir efeito, que tende a durar entre 4 e 6 horas. Alguns pacientes, porém, podem observar um efeito de até 12 horas, embora sejam casos mais raros.


O efeito do viagra dura até depois da ereção?

O efeito do Viagra tende a desaparecer após o orgasmo, como se o paciente não tivesse ingerido nenhum tipo de medicamento que auxiliasse na ereção. Porém, em casos raros o pênis pode continuar ereto por algum tempo.


Problemas com disfunção erétil?

A disfunção erétil ocorre quando um homem não consegue ter ou manter uma ereção firme o suficiente para a relação sexual e pode ser sinal de uma doença física ou psicológica. Ela pode causar estresse, tensão no relacionamento e baixa autoconfiança.


O Viagra aumenta o risco de ataque cardíaco?

De acordo com os médicos, esse perigo não existe. Até há casos de homens que sofreram um ataque cardíaco após usar o medicamento. No entanto, os especialistas explicam que a causa do problema foi o esforço excessivo e prolongado durante o sexo, e não a ação da droga em si.


Quem tem doença do coração corre risco?

Não. Diversas pesquisas mostram que o uso do remédio é seguro mesmo para pessoas com doença coronariana.


Como funciona o comprimido

A ação do Viagra –assim como de versões com outros nomes comerciais, como Cialis e Levitra, além dos genéricos — é inibir a atividade da enzima PDE5 (fosfodiesterase 5). A PDE5 impede a ereção porque prejudica a vasodilatação e a irrigação sanguínea no pênis.

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