Viagra over the counter how to#

priapism (long-lasting and sometimes painful erection).Other serious side effects, which are explained in more detail below in “Side effect details,” include: tinnitus (ringing or buzzing in your ears).This condition may also involve other symptoms, such as: sudden loss of vision in one or both of your eyes.sudden decrease in vision in one or both of your eyes.Non-arteritic anterior ischemic optic neuropathy (NAION), which is an eye condition that causes damage to your optic nerve.Serious side effects and their symptoms can include: Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Call your doctor right away if you have serious side effects. Serious side effects from Viagra aren’t common, but they can occur. To learn about other mild side effects, talk with your doctor or pharmacist, or view the drug’s patient information. * This is a partial list of mild side effects from Viagra. But if they become more severe or don’t go away, talk with your doctor or pharmacist. Most of these side effects may go away within a few days or a couple of weeks. mild and temporary vision changes, such as a blue tinge in your vision, blurred vision, and sensitivity to light.

Mild side effects of Viagra can include:* If you would like to report to the FDA a side effect you’ve had with Viagra, you can do so through MedWatch. Note: The Food and Drug Administration (FDA) tracks side effects of drugs it has approved.

Viagra over the counter how to#

They can give you tips on how to deal with any side effects that may be bothersome. These lists don’t include all possible side effects.įor more information on the possible side effects of Viagra, talk with your doctor or pharmacist. The following lists contain some of the key side effects that may occur while taking Viagra. Viagra can cause mild or serious side effects. (And at this point, the drug won’t be working any longer.) But it can actually take about 24 hours for Viagra to be completely removed from your body. You’ll have low levels of the drug in your body after about 4 hours. How long will Viagra stay in my system?Īfter taking a dose of Viagra, the drug’s level in your body will gradually decrease over a period of a few hours. And in this case, it could even be less effective for you. However, if Viagra is taken with food, especially with a high-fat meal, it will take longer to start working. Viagra may work faster if you take it on an empty stomach. What can I do to make Viagra work faster? If you have an erection that lasts longer than 4 hours, go to the nearest emergency room or call 911. If it’s not treated, the condition can damage the tissues in your penis and cause irreversible erectile dysfunction (ED). Priapism is a medical emergency that needs to be treated right away. With this condition, you have a long-lasting and sometimes painful erection. In fact, rarely, Viagra can cause priapism. This means that if you’re aroused, you should be able to achieve an erection for up to 4 hours after taking a dose of Viagra.Įven though Viagra keeps working in your body for several hours, your erection shouldn’t last this long. Viagra keeps working in your body for up to 5 hours. Instead, you’ll need to be sexually aroused in order for the drug to work. But Viagra itself doesn’t give you an erection. Viagra typically starts to work between 30 and 60 minutes after you take a dose of the drug. If you have other questions about how long Viagra works, talk with your doctor. Below, we answer questions related to how long Viagra works inside your body. You may wonder how long Viagra works when it’s used to treat erectile dysfunction (ED).

To learn more about Viagra’s effectiveness, see the “ Viagra uses” section below. (These rates varied depending on the cause of their ED and the dosage of Viagra being used.) In comparison, improved erections occurred in 10% to 24% of men who took a placebo (no active drug). In these studies, men who used the drug had an improved ability to have and keep erections that allowed for successful sex.Īcross the studies, between 43% and 83% of men who took Viagra had improved erections. In several clinical studies, Viagra was effective in treating ED. Viagra is available in three strengths: 25 mg, 50 mg, and 100 mg. In most cases, it should be taken about an hour before sexual activity, but it can be taken 30 minutes to 4 hours beforehand. Viagra comes as tablets that are taken by mouth. But this drug only works if you’re sexually aroused. (A class of drugs is a group of medications that act in a similar way.) Viagra works by increasing blood flow to your penis, which helps you have and keep an erection. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Viagra is approved for this use in males ages 18 years and older. With ED, you’re unable to have or maintain an erection. Viagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED).