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 , the number of men diagnosed with ED has gone up by percent.
Risk factors for ED include older age, obesity, diabetes, heart disease, and high blood pressure. The problem is that men without issues are using these medications. Johnson Hospital. A review of 46 articles on phosphodiesterase type 5 inhibitor abuse was published in the journal Current Drug Abuse Reviews in One reason cited for abuse was easy access to ED drugs. A search for Internet drug stores found over six million hits at 7, Internet pharmacies.
Only 4 percent of the sites were in proper compliance, according to the Verified Internet Pharmacy Practice Sites program. Another concern with getting ED drugs at online pharmacies is that the drugs may be fake, contaminated, expired, ineffective, or unsafe to use.
Sign up for Viagra price alerts and find out when the price changes! Get price alerts. The amount of time that Viagra will last depends on many factors. Dosage, age, and overall health are just some of the factors that can impact how well Viagra works and lasts for someone.
The average dose of Viagra is mg, taken 30 to 60 minutes, or up to four hours before sexual activity. For adults over the age of 65, the recommended dose is 25 mg. Many older adults have slower metabolisms, which means that a lower dose may last longer for them in comparison to a younger person taking a small dose. Take Viagra before sexual activity, as it takes time for Viagra to absorb into the bloodstream. However, some men—depending on their metabolism—may experience multiple erections while Viagra is in their system.
Once it starts working, Viagra typically lasts for up to four or five hours. If you do experience an erection that lasts longer than this priapism or is painful, it may be time to seek medical advice. Recovery time called the refractory period varies for each individual. Consuming alcohol while taking Viagra can make the medication less effective by decreasing blood flow to the penis.
For people with certain medical conditions, Viagra might not last as long. Feelings of anxiety, depression, or nervousness often cause Viagra not to last as long or be as effective.
Having a heart problem, heart disease, diabetes, or other nervous system problems can also cause Viagra not to last as long. Certain medications may interact negatively with Viagra and interfere with its effectiveness. Drugs that lower blood pressure can interact with Viagra to cause dangerously low blood pressure. Antifungal and antiviral medications may increase the amount of Viagra in the bloodstream, which can lead to toxicity.
Viagra and Levitra are both brand-name drugs. 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. If you have any questions about eating certain foods with Viagra, talk with your doctor. Grapefruit juice can affect the levels of some medications in your body.
One small study was done in This could possibly increase the risk of certain side effects such as headaches, flushing, or dizziness. They can recommend whether this is safe for you to do. But Viagra can actually be taken anywhere from 30 minutes to 4 hours before sexual activity.
Health Conditions Discover Plan Connect. How Long Does Viagra Last? How it works When it starts working How long it lasts Additional factors When it leaves your system Potential risks Takeaway Alternatives Takeaway Sildenafil is a common medication used to stimulate erections in people with erectile dysfunction ED. How does it work? How long does it take to start working? How long does it last? Can any factors affect how long it lasts? How long does it take to leave my system?
Potential risk factors. When to see your doctor. Alternatives to Viagra. The takeaway. Is Erectile Dysfunction Psychological? Viagra vs. Cialis vs. Levitra vs.
0コメント