Commonly reported side effects of sildenafil include headache, skin flushing, indigestion, and visual disturbances [3]. Neuropsychiatric adverse effects, including lightheadedness, depression, anxiety, sleeplessness, abnormal dreams, behavior changes, and nervousness, have also been reported in previous studies [4].
Viagra can cause aggressive behaviour
Other reports suggest that the chemicals in the drug -- phosphodiesterase type 5 (PDE-5), NO synthase, and guanylyl cyclase-- modulate aggression and sexual behaviour in male mice. This could lend credence to the fact that Viagra could fuel violent and aggressive behaviour in men.
Viagra can cause some serious side effects. These can include an erection that will not go away (priapism), sudden vision loss in one or both eyes, and sudden hearing decrease or hearing loss. Some men have also experienced heart attack, stroke, irregular heartbeats and even death after taking Viagra.
Headache, flushing, and upset stomach are common Viagra side effects. These effects are usually mild and often resolve on their own. While rare, Viagra can cause an erection that lasts longer than 4 hours (priapism). This can result in permanent damage if left untreated.
Commonly reported side effects of sildenafil include headache, skin flushing, indigestion, and visual disturbances [3]. Neuropsychiatric adverse effects, including lightheadedness, depression, anxiety, sleeplessness, abnormal dreams, behavior changes, and nervousness, have also been reported in previous studies [4].
It generally takes about an hour to start working, although it may require slightly more time if you consume a large, high-fat meal before or shortly after using this medication. When Viagra starts working, you won't suddenly develop an erection or notice any rapid change in your sex drive or sexual arousal.
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.
Some people may choose to take medications like Viagra off-label to try enhancing sexual performance, even when they don't have ED. Taking Viagra recreationally can have serious side effects — like causing ED. You should always talk with your healthcare provider before taking a medication like Viagra.
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) have a rare inherited eye disease, such as retinitis pigmentosa.
Less than 2% of men get side effects from Viagra and most people who do get side effects don't get serious ones. As long as a doctor has approved treatment for you, you can be sure it's safe for you to use.
Viagra can stay in the system for up to 20 hours, but it takes about four to five half-lives for a drug to be fully eliminated.
Results from a small clinical trial suggest that Cialis, an erectile dysfunction drug in the same family of medicines as Viagra, might help prevent vascular dementia by increasing blood flow in the brain.
Although they may become psychologically addictive if misused, there's no evidence that using Viagra can lead to physical dependence or addiction. There's also no scientific evidence that Viagra and other ED medications can cause withdrawal symptoms if stopped abruptly.
You're Just Not in the Mood
They can help you get and maintain an erection, but the medicine won't work unless you actually get turned on.
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 only recommended to be taken once per day. This means that if you're planning on engaging in sexual activity more than once throughout the day, you shouldn't take a pill every time. And if you take a pill and it doesn't work for you — don't double up and take another one.
Viagra is a medical treatment, not a recreational drug. Using ED meds for fun isn't a good idea and can raise your risk of experiencing side effects, especially if you take the drug with other recreational drugs or alcohol.
So, if you're over 65 years of age, your doctor will usually recommend a starting dose of Viagra for you that's lower than the typical starting dose. For example, they may recommend that you take 25 mg of the drug rather than 50 mg.
Age doesn't generally affect Viagra's effectiveness. Having said that, if you're over 65, your healthcare provider may prescribe you a lower dose of Viagra.
Viagra can offer psychological benefits as well as medical ones as it can improve your sex life, relationships and even stress and depression levels. It does this through improving confidence and taking away 'performance anxiety' which can contribute to erectile problems.
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.