Generic forms of both drugs are available. Brand-name medications usually cost more than generics. According to estimates on GoodRx. Here we look at how Viagra and sildenafil are alike and different. Viagra, which contains the active drug sildenafil, is a brand-name drug. But sildenafil is also available as a generic medication. A generic medication is an exact copy of the active drug in a brand-name medication.
Viagra is approved to treat erectile dysfunction ED in males ages 18 years and older. It comes as tablets that are taken by mouth. Viagra is available in the following strengths:. Like Viagra, certain forms of sildenafil are approved to treat ED in males ages 18 years and older. For example, sildenafil mg, mg, and mg tablets are approved for this use. In addition, sildenafil also comes as mg tablets. These forms of sildenafil are generic versions of a brand-name drug called Revatio. Like Revatio, these forms of sildenafil are used to treat a condition called pulmonary arterial hypertension PAH.
With PAH, you have high blood pressure in the artery between your heart and lungs. It also means that sildenafil and Viagra can cause the same side effects. Viagra is a brand-name drug, while sildenafil is a generic form of Viagra.
Like Cialis described above , Levitra is also prescribed for similar uses as Viagra. Here we look at how Viagra and Levitra are alike and different. Viagra contains the drug sildenafil , while Levitra contains the drug vardenafil. Viagra and Levitra are both approved to treat erectile dysfunction ED in males ages 18 years and older.
The medications can help you get an erection for up to 4 hours after you take a dose. But neither drug should be taken more than once a day. Viagra and Levitra both contain the same type of drug. These lists contain up to 10 of the most common mild side effects that can occur with Viagra, with Levitra, or with both drugs when taken individually. The following list contains examples of serious side effects that can occur with either Viagra or Levitra.
The use of Viagra and Levitra in treating ED has been directly compared in several clinical studies and compared in several reviews of studies. Viagra and Levitra are both brand-name drugs.
Below, we answer questions related to how long Viagra works inside your body. Viagra typically starts to work between 30 and 60 minutes after you take a dose of the drug. Viagra keeps working in your body for up to 5 hours. In fact, rarely, Viagra can cause priapism. With this condition, you have a long-lasting and sometimes painful erection.
Viagra may work faster if you take it on an empty stomach. However, if Viagra is taken with food, especially with a high-fat meal, it will take longer to start working. And in this case, it could even be less effective for you. But it can actually take about 24 hours for Viagra to be completely removed from your body. Viagra is approved to treat erectile dysfunction ED in men.
These messages cause certain chemicals to be released in your penis. One of these chemicals, called cyclic GMP, relaxes and widens certain blood vessels in your penis. These actions allow blood to flow into the corpus cavernosum, which causes your penis to get hard and become erect.
The condition can result from problems with messages being sent from your brain. ED can also result from problems with blood flow into your penis. Viagra works to treat ED by helping you have and maintain an erection.
Viagra is a type of drug called a phosphodiesterase type 5 PDE5 inhibitor. It works by inhibiting blocking the action of an enzyme called PDE5. An enzyme is a protein that helps chemical reactions to happen inside your body. This action improves blood flow to your penis and helps you to have and keep an erection. However, some men find that if Viagra works to treat their erectile problem, it also increases their sexual confidence. And this may lead to an increased sex drive. They may recommend that you try a different medication for your ED.
Arousal may involve having sexual thoughts, looking at sexual images, masturbating, or engaging in foreplay. But if you feel anxious, nervous, depressed, or stressed, your body may not respond well to sexual stimulation.
If this is the case, try to relax, make yourself comfortable, and take your time. This is because consuming large amounts of alcohol can make it more difficult for you to get an erection.
Instead, it belongs to a class of drugs called phosphodiesterase type 5 PDE5 inhibitors. A class of drugs describes a group of medications that work in a similar way. Viagra works by inhibiting blocking the action of a certain enzyme in your body. If you have any bleeding problems, talk with your doctor about whether Viagra is safe for you. Here are answers to some frequently asked questions about Viagra. However, the drug can help you to get and keep an erection.
And studies have shown that Viagra can increase satisfaction from sex. This may temporarily increase the size of your penis, until the erection goes away. The drug does have a few serious side effects, but these rarely occur.
However, Viagra may not be safe to use if you have certain medical conditions, including heart disease. If this is the case, talk with your doctor about whether Viagra is safe for you.
Just be aware that taking the drug could cause your blood pressure to be lowered. These side effects can include dizziness, lightheadedness, or even fainting. But for other people, it may take a few times of trying the drug to get the desired effect.
They may increase your dose of the drug or recommend that you try a different medication. It might. This drug is only approved to be taken by mouth.
In comparison, in studies of men with ED due to:. Yes, it can be used for this purpose. Yes, it could. In several studies , Viagra has been looked at as a possible treatment for premature ejaculation PE. With PE, you ejaculate before you want to. Some studies found that Viagra can help men with PE to delay ejaculation longer than they could without treatment.
More research is needed to know for sure whether or not Viagra is effective for treating PE. However, Viagra is recommended in similar guidelines from the European Association of Urology. Viagra is approved for use in males ages 18 years and older. This is because certain side effects of Viagra may be worsened by alcohol. This includes such side effects as headaches, flushing, and dizziness. Viagra can interact with several other medications.
Different interactions can cause different effects. For instance, some interactions can interfere with how well a drug works. Other interactions can increase side effects or make them more severe. Below are lists of medications that can interact with Viagra. Before taking Viagra, talk with your doctor and pharmacist.
Tell them about all prescription, over-the-counter, and other drugs you take. Also tell them about any vitamins, herbs, and supplements you use.
Sharing this information can help you avoid potential interactions. If you have questions about drug interactions that may affect you, ask your doctor or pharmacist. This includes prescription medications, such as:.
Taking Viagra with other ED medications increases your risk of certain side effects, such as low blood pressure and priapism. This includes certain prescription drugs, such as nitroglycerin , used to treat angina a type of chest pain. It also includes certain illicit drugs called poppers , such as amyl nitrate. Taking Viagra with nitrates can cause a dangerous drop in your blood pressure that can lead to heart attack or stroke.
Taking Viagra with these medications can cause your blood pressure to drop too low. Viagra can sometimes cause low blood pressure. Taking Viagra with drugs used to treat high blood pressure can cause your blood pressure to drop even lower.
It could even make you faint. If you take one of the drugs listed above, tell your doctor if you feel dizzy or lightheaded, or faint after taking Viagra. Poppers contain nitrate drugs such as amyl nitrate , alkyl nitrate, and butyl nitrate. Taking Viagra with poppers can cause a dangerous drop in your blood pressure that can lead to heart attack or stroke.
These drugs are called alpha-blockers. Taking Viagra with alpha-blockers can cause your blood pressure to drop even lower. This could make you feel dizzy or lightheaded, or even cause you to faint. And if you take one of the drugs listed above, tell your doctor if you feel very dizzy, lightheaded, or faint after taking Viagra.
Adderall , which contains amphetamine salts, is approved to treat attention deficit hyperactivity disorder ADHD. Adderall has stimulant effects in your body, and it could cause serious heart-related side effects. Viagra, on the other hand, may cause low blood pressure. Xanax , which is a benzodiazepine, contains the active drug alprazolam. Xanax can sometimes cause low blood pressure , dizziness, and fainting.
Viagra may also lower your blood pressure. This is particularly true for selective serotonin reuptake inhibitors SSRIs , such as sertraline Zoloft. If you have questions about whether you can take Viagra with an antidepressant, talk with your doctor.
Taking Viagra with certain antimicrobials drugs used to treat infection can slow the breakdown of Viagra in your body. This can cause Viagra to build up inside your body, which may increase your risk of side effects from the drug. If you take one of the drugs listed above, your doctor will recommend you take a starting dose of 25 mg for Viagra. This is lower than the typical starting dose of Viagra.
However, you should still check with your doctor or pharmacist before using any of these products while taking Viagra. Emmel says. This may be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy NAION.
People who are taking Viagra and start to have vision changes should seek medical advice as soon as possible to avoid potential eye damage or loss of vision. Heart attack and stroke: The rarest side effects of Viagra are heart attacks and strokes. People with underlying heart problems, like irregular heartbeat, are the most at risk for having a heart attack or stroke from taking Viagra.
Although the risk of heart attack and stroke is low, people with underlying heart problems should take extra care in talking with their doctor about their medical history. There are some drug-drug interactions with Viagra.
You should not take Viagra with the following medications:. There might also be food-drug interactions with Viagra. For example, grapefruit can elevate blood levels, making it a natural alternative for treating ED. However, mixing it with Viagra could lead to some side effects like headaches, flushing, or low blood pressure. Caffeine could have a similar effect. One study concluded that an intake of two to three cups of coffee a day could reduce the odds of ED. Ask a doctor if there are any foods or beverages that you should avoid while taking Viagra.
The best way to avoid possible side effects from Viagra is to take it as instructed by your doctor. Store Viagra at room temperature and away from moisture, heat, and sunlight to maximize its shelf-life. Skip to main content Search for a topic or drug. First time taking ED pills? In addition to medications or other medical interventions, maintaining a healthy lifestyle can impact the success of your ED treatment.
Sildenafil is just one of several ED medications on the market. There are some nonpharmacological treatments for ED, including a vacuum erection device, also known as an erectile dysfunction pump. It works by placing a seal around the end of the penis and attracting blood to the arteries in the penis via air suction. Penile implants and penile injections to treat ED are other options to consider.
Talk with a urologist to learn more about treatments you may want to consider. Viagra may not be your only option for treating erectile dysfunction. Here are several alternative medications and natural remedies worth considering.
Research into new erectile dysfunction treatments is ongoing. Penile injection therapy is just one of the many available treatments for ED. Learn how to inject, what to expect, and more. Erectile dysfunction is a common condition that affects millions of men.
Learn more about Medicare plans and Viagra coverage. Here's how to shop Viagra smartly. Various aphrodisiac foods may boost your sex drive and improve erectile concerns. Here are 7 foods and supplements that work like Viagra. VigRX Plus is marketed as a safe supplement to enhance sexual performance, but does it actually work? We review the research. Get the facts on 5 over-the-counter ED pills. Discover how options like DHEA and yohimbe can help treat erectile dysfunction.
Learn about warnings and…. Health Conditions Discover Plan Connect. Is There a Generic Viagra? Who makes generic Viagra? What is sildenafil used for? How do PDE5 inhibitors work?
How generic Viagra is used. Does generic Viagra have side effects?
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